Porsche

Genuine Porsche ABS / PSM control unit cover.

Fits

• Porsche 993 (911) 1994–98
• Porsche 993 (911) C2 1994–97
• Porsche 993 (911) C4 1994–97
• Porsche 993 (911) RS 1994–97
• Porsche 993 (911) C2S 1994–97
• Porsche 993 (911) C4S 1994–97
• Porsche 993 (911) Turbo 1994–96
• Porsche 993 (911) GT2 1994–97
• Porsche 993 (911) Turbo S 1994–97
• Porsche 996 (911) 1997–2005
• Porsche 996 C2 3.4L 1997–08/01
• Porsche 996 C4 3.4L 1997–08/01
• Porsche 996 C2 3.6L 09/01–2005
• Porsche 996 C4 3.6L 09/01–2005
• Porsche 996 C4S 3.6L 09/01–2005

Check fitment for your specific vehicle (model, year, engine) before ordering. Confirm factory equipment and applicable option codes as well.

What This Product Does

This cover belongs to the control-unit portion of the hydraulic anti-lock braking assembly. Its role is to cover that section in the arrangement identified by the relevant exploded diagram; it does not sense wheel speed, operate the pump or regulate hydraulic pressure.

Functions

• Provides the specified covering for the ABS/PSM control-unit section.
• Reinstates the cover position within the illustrated assembly.
• Allows renewal of a missing or damaged cover without identifying it as a complete control unit.

Technical Details

• Manufacturer: Porsche; part number: 99661803800.
• Diagram designation: cover control unit; also described as cover.
• Recorded quantity: 1 per illustrated assembly.
  

Symptoms of Fault

• Visible cracking, deformation or other damage to the cover.
• An uncovered control-unit section where the original component is missing.
• Poor seating or insecure retention when the cover is inspected.

Why Replacement Matters

Replacing a defective cover returns this part of the assembly to its specified layout. Inspect its seating and surrounding attachment points before fitting. Dashboard ABS/PSM alerts require separate fault investigation: a replacement cover is not a remedy for sensor, wiring, hydraulic or controller defects.

FAQs

Is the controller supplied with this cover?
No. The diagram treats 99661803800 as an individual cover, separate from the hydraulic assembly and its associated components.

Can this resolve an ABS warning?
The cover alone does not correct system faults. Diagnosis should assess stored faults, electrical supply, wiring, sensors and hydraulic operation as appropriate.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99661803800

The product you are viewing cross references to these numbers

Vent Hose. 
The Genuine Porsche Vent Hose is a replacement cooling-system hose used within the coolant expansion-tank circuit of selected Porsche Cayenne 957 4.8-litre V8 models.

Fits:

• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10  

Diagram Ref No 6

This hose connects into the engine cooling system and provides a controlled route between the coolant expansion tank and the engine cooling circuit. It helps manage coolant and displaced air as the cooling system heats, expands, cools and contracts.

Although commonly described as a vent hose, breather hose or coolant overflow hose, this component belongs to the engine cooling system. It is not a crankcase ventilation hose.

Correct venting is important because trapped air can interfere with coolant circulation and make the system difficult to bleed properly. The hose also needs to remain fully sealed so that coolant is retained and the pressurised cooling system can operate correctly.

Repeated exposure to hot coolant, cooling-system pressure and engine-bay temperatures can eventually cause the hose material to harden, split, swell or leak.

Replacing a deteriorated hose helps restore reliable coolant-system venting, correct expansion-tank operation and a sealed cooling circuit.

What This Product Does:
The vent hose forms part of the coolant expansion and deaeration circuit.

It is designed to:

• Connect the coolant expansion tank to the engine cooling circuit.
• Allow coolant and displaced air to move through the system.
• Help vent trapped air from the cooling circuit.
• Support correct cooling-system bleeding.
• Help maintain stable coolant pressure.
• Maintain a sealed coolant circuit.
• Support correct expansion-tank operation.
• Help prevent coolant loss.
• Replace a cracked, brittle or leaking original hose.
• Support stable engine operating temperature.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Visible coolant leakage.
• Dampness around the hose or its connections.
• Dried pink, white or coloured coolant residue.
• Sweet coolant smell from the engine compartment.
• Gradual coolant-level loss.
• Low coolant warning.
• Frequent need to top up coolant.
• Hose becoming hard or brittle.
• Surface cracks.
• Hose splitting.
• Swelling or bulging.
• Soft or spongy hose sections.
• Leakage around clamps.
• Difficulty bleeding the cooling system.
• Gurgling sounds within the coolant circuit.
• Fluctuating engine temperature.
• Steam from the engine compartment in severe cases.

Why Replacement Matters:
Replacing a worn or leaking vent hose helps restore:

• Correct cooling-system venting.
• Reliable expansion-tank operation.
• Stable coolant level.
• Correct coolant circulation.
• Cooling-system pressure.
• Reduced risk of airlocks.
• Reduced risk of coolant loss.
• Stable engine operating temperature.
• Long-term cooling-system reliability.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95510625100

The product you are viewing cross references to these numbers

Breather Line. 

The Genuine Porsche Engine Breather Line is a replacement crankcase ventilation component for the Porsche Cayenne 957 Turbo.

Fits:

• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10  

Diagram Ref No 10

During normal engine operation, a small amount of combustion gas passes the piston rings and enters the crankcase. The breather system manages these blow-by gases and oil vapours, routing them through the engine ventilation system rather than allowing excessive pressure to build inside the crankcase.

The breather line provides a sealed passage for these vapours and is therefore important for maintaining correct crankcase pressure, controlling oil vapour and supporting efficient engine operation.

With age and repeated exposure to engine heat, oil vapour and pressure changes, breather lines can become brittle, cracked, loose or internally restricted. Replacing a deteriorated line helps restore the integrity of the crankcase ventilation system.

What This Product Does:

• Routes crankcase gases and oil vapours through the engine ventilation system.
• Helps prevent excessive pressure building inside the crankcase.
• Maintains a sealed pathway within the breather system.
• Supports correct operation of the crankcase ventilation system.
• Helps protect engine seals and gaskets from excessive crankcase pressure.
• Returns engine vapours to the appropriate ventilation or intake circuit.
• Supports effective emissions control by containing crankcase vapours.
• Helps maintain consistent engine operation.
• Replaces a cracked, brittle, leaking or damaged original breather line.

The breather system is designed to manage gases generated inside the crankcase and prevent uncontrolled pressure build-up during engine operation.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Rough or unstable idle.
• Hissing or whistling noises from the engine bay.
• Engine vacuum or air leaks.
• Increased oil consumption.
• Oil leaks developing around engine seals or gaskets.
• Oil mist or residue around breather connections.
• Visible cracking or splitting of the breather line.
• Hardened or brittle hose material.
• Loose or damaged connections.
• Engine management warning light.
• Mixture-related or airflow fault codes.
• Poor engine response.
• Increased crankcase pressure.
• Oil vapour or fumes around the engine compartment.
• Smoke from the exhaust in some cases if the ventilation system is malfunctioning.

These symptoms are not exclusive to the breather line. Faults with the crankcase ventilation valves, oil separator, intake system or associated hoses can produce similar symptoms and should also be checked.

Why Replacement Matters:
The engine breather system needs to remain sealed and unrestricted to regulate crankcase pressure correctly.

If the breather line cracks or becomes disconnected, unwanted air can enter the system while crankcase vapours may escape through an unintended path.

If the line becomes blocked or restricted, crankcase pressure may increase.

Replacing a faulty breather line helps restore:

• Correct crankcase ventilation.
• Proper pressure regulation.
• A sealed engine ventilation circuit.
• More consistent engine operation.
• Correct routing of oil vapours and blow-by gases.
• Reduced risk of pressure-related oil leaks.
• Reliable operation of associated PCV components.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94810524551

The product you are viewing cross references to these numbers

Porsche's genuine centre console combined switch serves specified 991.1 and 991.2 911 applications. The multiple-switch repair set has a matt black/hi-gloss chrome finish; the diagram identifies COUPE PR:653.

Fits

991 (911) MK1 2012–2016

• 991.1 Carrera C2 3.4L (350 Bhp) 2012–16
• 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012–16
• 991.1 Carrera C4 3.4L (350 Bhp) 2012–16
• 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012–16
• 991.1 Turbo 3.8L (520 Bhp) 2014–16
• 991.1 Turbo S 3.8L (560 Bhp) 2014–16

991 (911) MK2 2016–2019

• 991.2 Turbo Coupe 3.8L (540 Bhp) 2016–19
• 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016–19
• 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016–19
• 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016–19
• 991.2 GT2 RS 3.8L PDK (700 bhp) 2018–19

The supplied applications include Cabriolet entries, whereas the diagram specifies COUPE PR:653. Confirm body style, factory equipment and VIN compatibility before ordering; inclusion above does not resolve that distinction.

Diagram: Switch / Control panel / Air conditioning 991.1 2012-16

Diagram: Switch / Control panel / Air conditioning 991 Turbo / GT2 RS 2014-20

What This Product Does

This assembly groups the applicable console switches into one control interface. Supplied identification associates it with the sliding-roof arrangement for PR code 653, rather than a steering-column indicator or wiper stalk. The adjacent climate-control panel is a different component.

Functions

• Accepts button inputs for the connected console functions.
• Provides switching for the specified sliding-roof arrangement.
• Replaces the corresponding original multiple-switch unit.

Technical Details

• Brand: Genuine Porsche; part number: 99161395707DML.
• Diagram identification: combined switch; multiple switch; centre console repair set.
• Finish specified: Matt Black/hi-gloss chrome.
• Application marking: COUPE PR:653; diagram quantity: 1.
• Turbo / GT2 RS diagram row includes the model-year notation D - MJ 2014>> - MJ 2016.
• Supplied supersession references: 99161395700DML, 99161395701DML, 99161395703DML and 99161395705DML.

Symptoms of Fault

Possible signs include inconsistent button response, repeated presses being needed, sticking controls, failed illumination or damaged trim. Moisture and poor terminal connections can produce similar behaviour, so these symptoms alone do not confirm a defective switch.

Why Replacement Matters

Renewal is appropriate when testing establishes that the switch itself causes unreliable operation. Retaining the correct assembly preserves the specified console layout and finish. Before replacement, assess the relevant fuse, supply voltage, wiring, connections and diagnostic information.

FAQs

Does this include the climate-control panel?
No; that panel and the neighbouring switches are separately identified components.

Can an intact-looking switch have an electrical defect?
Yes. Internal wear need not leave visible damage on the exterior.

What determines compatibility?
Verify 99161395707DML against the VIN, model year, body style and PR codes, including the supplied COUPE PR:653 requirement.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99161395707DML

The product you are viewing cross references to these numbers

Fuel tank breather / vent line for 964-generation 911 C2, C4, RS and Turbo applications, 1989–94. Part 96420105100 belongs to the tank ventilation pipework, rather than the pressurised fuel supply.

Fits

• Porsche 964 (911) 1989–94
• Porsche 964 (911) C2 1989–93
• Porsche 964 (911) C4 1989–93
• Porsche 964 (911) RS 3.6L 1991–93
• Porsche 964 (911) RS 3.8L 1991–93
• Porsche 964 (911) Turbo 3.3L 1991–93
• Porsche 964 (911) Turbo 3.6L 1991–93

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram: fuel system 964 1989-94.

What This Product Does

This breather carries air and petrol vapour along the tank's ventilation route. Sound pipework and sealed joints help contain vapour within that route. It is a ventilation component, not a pump or an injector feed pipe.

Functions

• Connects sections of the tank breather circuit.
• Provides a passage for air and petrol vapour.
• Retains the factory pipework layout when replacing a deteriorated component.

Technical Details

• Part identification: 96420105100.
• Diagram designation: vent line; also described as a breather line.
• Assembly application: 964 fuel system, 1989–94.
• Quantity shown in the diagram: 1.
• Recorded diagram remark: /LL.
• Approximate weight supplied: 0.09 kg.

Symptoms of Fault

• A petrol odour near the car.
• Cracking, brittle sections or other visible deterioration.
• Damaged joints or insecure connections.
• Leaks detected when inspecting the ventilation pipework.

Why Replacement Matters

Ageing, heat and prolonged exposure to petrol vapour can damage breather pipework. Replacing a defective section helps re-establish a sealed ventilation path while preserving the factory arrangement. Inspect neighbouring hoses, clamps and supports during the repair; a new line will not resolve faults elsewhere in the assembly.

FAQs

• Does this carry the engine's pressurised fuel supply?
  No. The diagram identifies it as ventilation pipework for the tank.
• What else needs checking?
  Look for deterioration in nearby hoses and inspect their joints, clamps and supporting components.
• How do I verify the application?
  Use the VIN and relevant Porsche parts illustration to confirm that 96420105100 matches the vehicle.
• Does a petrol smell prove this line is faulty?
  No. Filler connections, the tank and other hoses can also cause odours, so establish the source before replacing components.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

96420105100

The product you are viewing cross references to these numbers

Windscreen Wiper Support Bush, RHD.
The Genuine Porsche Wiper Support Bush 91162875301 is a replacement support bush used within the wiper spindle and bearing arrangement on selected classic Porsche 911 and 930 models.

Fits:

• Porsche 911 1976-77 3.0 Carrera
• Porsche 911 1976-1977 3.0L Turbo (930)  

Diagram Ref No 23

The bush provides a correctly sized support surface around the wiper spindle, helping locate the rotating wiper shaft securely while allowing the mechanism to operate smoothly.

Although small, the support bush plays an important role in maintaining correct wiper-spindle alignment.

Over time, the original bush can wear, harden, deform or become damaged. Excessive wear may allow the wiper spindle to move within its mounting point, resulting in looseness, rattling, irregular wiper movement or poor alignment.

Replacing a worn support bush helps restore correct spindle support and smooth, stable wiper operation.

What This Product Does:
The Wiper Support Bush locates and supports the wiper spindle within its mounting or bearing assembly.

Its main functions are to:

• Support the wiper spindle.
• Maintain correct spindle alignment.
• Reduce excessive movement at the wiper mounting point.
• Help the spindle rotate smoothly.
• Reduce vibration and rattling.
• Support consistent wiper-arm movement.
• Maintain correct positioning of the wiper mechanism.
• Replace a worn, damaged or missing original bush.
• Restore the factory mounting arrangement.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Wiper spindle feeling loose.
• Wiper arm wobbling at its mounting point.
• Excessive sideways spindle movement.
• Rattling during wiper operation.
• Clicking or knocking.
• Irregular wiper sweep.
• Wiper arm moving inconsistently.
• Excess vibration.
• Bush visibly worn or distorted.
• Bush cracked or missing.
• Increased movement around the spindle.
• Wiper linkage no longer sitting correctly.

Why Replacement Matters:
Replacing a worn Wiper Support Bush helps restore:

• Correct spindle support.
• Reduced wiper-arm play.
• Smoother wiper movement.
• Improved linkage alignment.
• Reduced rattling and vibration.
• More consistent wiping.
• Factory-style component fitment.
• Long-term wiper-mechanism reliability.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91162875301

The product you are viewing cross references to these numbers

Genuine Porsche fuel tank hose for 964 / 993 911 models spanning 1989–98. The supplied diagrams identify its dimensions as 9.5 x 15.5 x 180mm.

Fits

• Porsche 964 (911) 1989–94
• Porsche 964 (911) C2 1989–93
• Porsche 964 (911) C4 1989–93
• Porsche 964 (911) RS 3.6L 1991–93
• Porsche 964 (911) RS 3.8L 1991–93
• Porsche 964 (911) Turbo 3.3L 1991–93
• Porsche 964 (911) Turbo 3.6L 1991–93
• Porsche 993 (911) 1994–98
• Porsche 993 (911) C2 1994–97
• Porsche 993 (911) C4 1994–97
• Porsche 993 (911) RS 1994–97
• Porsche 993 (911) C2S 1994–97
• Porsche 993 (911) C4S 1994–97
• Porsche 993 (911) Turbo 1994–96
• Porsche 993 (911) GT2 1994–97
• Porsche 993 (911) Turbo S 1994–97

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram: fuel tank 964 1989-94.
Diagram: fuel tank 993 1994-98.

What This Product Does

This hose provides a connection in the tank's associated pipework. Both supplied exploded diagrams identify the same hose specification, making the dimensions and assembly location useful checks when identifying a replacement.

Functions

• Connects associated components in the tank assembly.
• Maintains the specified hose connection when replacing a deteriorated component.

Technical Details

• Part number: 00004320502.
• Brand: Porsche.
• Exploded-diagram designation: hose 9,5 X 15,5 - 180 MM.
• Specified dimensions: 9.5 x 15.5mm; specified length: 180mm.
• Each supplied diagram records one hose.
• Assembly applications: 964 fuel tank, 1989–94; 993 fuel tank, 1994–98.

Symptoms of Fault

• Petrol smells concentrated around the tank.
• Cracks, hardened areas or deterioration visible on the hose.
• Wet patches or fuel staining at its connections.
• A connection that no longer grips its adjoining fitting correctly.

Why Replacement Matters

Ageing hoses may develop cracks or lose their ability to seal at the fittings. Replacing a confirmed defective hose addresses that connection without assuming the complete tank needs renewal. During inspection, assess nearby pipework, seals and clamps as well; similar symptoms can originate elsewhere in the assembly.

FAQs

• What length is specified?
  The supplied exploded-diagram entries give 180mm, alongside the 9.5 x 15.5mm hose dimensions.
• Does a petrol odour confirm this hose has failed?
  No. Inspect the hose and its connections, but also investigate neighbouring seals, filler pipework and breather components before choosing replacement parts.
• What should be checked alongside the hose?
  Examine the adjoining fittings and clamps for damage or corrosion, and assess nearby hoses for deterioration.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

00004320502

The product you are viewing cross references to these numbers

This genuine Porsche scissors-type jack, reference 99672121100, is intended for the selected 911, Boxster and Cayman applications detailed below. It replaces the jack within the onboard toolkit; accompanying tools and storage pieces are not included.

Fits

Porsche 993 911, including Carrera, Turbo and Carrera RS, 1994–98

• 993 (911) C2 1994–97
• 993 (911) C4 1994–97
• 993 (911) RS 1994–97
• 993 (911) C2S 1994–97
• 993 (911) C4S 1994–97
• 993 (911) TURBO 1994–96
• 993 (911) GT2 1994–97
• 993 (911) TURBO S 1994–97

Porsche 996 911, including Carrera, Turbo and GT2, 1997–2005

• 996 C2 3.4L 1997–08/01
• 996 C4 3.4L 1997–08/01
• 996 C2 3.6L 09/01–2005
• 996 C4 3.6L 09/01–2005
• 996 C4S 3.6L 09/01–2005
• 996 TURBO 2000–05
• 996 GT2 2001–05

Porsche 986 Boxster, 1997–04

• Boxster 986 2.5L 1997–99
• Boxster 986 2.7L 1999–02
• Boxster S 986 3.2L 1999–02
• Boxster 986 2.7L 2003–04
• Boxster S 986 3.2L 2003–04

Porsche 997.1 and 997.2 911, including Carrera, Turbo, GT2, GT3 and RS, 2005–13

• 997 MK1 Carrera 2 3.6L 2005–08
• 997 MK1 Carrera 2S 3.8L 2005–08
• 997 MK1 Carrera 4 3.6L 2005–08
• 997 MK1 Carrera 4S 3.8L 2005–08
• 997 MK1 TURBO 2007–09
• 997 MK1 GT2 2007–09
• 997 MK1 GT3 / GT3 RS 2007–09
• 997 MKII GT3 / GT3 RS 2010–11
• 997 MKII Carrera C2 3.6L 2009–12
• 997 MKII Carrera C4 3.6L 2009–12
• 997 MKII Carrera C2S 3.8L 2009–12
• 997 MKII Carrera C4S 3.8L 2009–12
• 997 MKII Turbo 2010–13
• 997 MKII GT2 RS 2011–13

Porsche 987 Boxster and Cayman, including S and R, 2005–12

• Boxster 987 2.7L 2005–08/08
• Boxster 987 S 3.2/3.4L 2005–08/08
• Boxster 987 MKII 2.9L 2009–12
• Boxster S 987 MKII 3.4L 2009–12
• Cayman 2.7L 987C 2006–08
• Cayman S 3.4L 987C 2005–08
• Cayman 2.9L 987C MKII 2009–12
• Cayman S / R 3.4L 987C MKII 2009–12

Porsche 991.1 and 991.2 911, including Carrera, Turbo, R, GT2 RS, GT3 and GT3 RS, 2012–21

• 991.1 Carrera C2 3.4L (350 Bhp) 2012–16
• 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012–16
• 991.1 Carrera C4 3.4L (350 Bhp) 2012–16
• 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012–16
• 991.1 Turbo 3.8L (520 Bhp) 2014–16
• 991.1 Turbo S 3.8L (560 Bhp) 2014–16
• 991.2 Turbo Coupe 3.8L (540 Bhp) 2016–19
• 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016–19
• 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016–19
• 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016–19
• 991.2 GT2 RS 3.8L PDK (700 bhp) 2018–19
• 991.2 Carrera 2 3.0L (370 Bhp) 2016–19
• 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016–19
• 991.2 Carrera 4 3.0L (370 Bhp) 2016–19
• 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016–19
• 991.2 Cabriolet 2 3.0L (370 Bhp) 2016–19
• 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016–19
• 991.2 Cabriolet 4 3.0L (370 Bhp) 2016–19
• 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016–19
• 991.2 Targa 4 3.0L (370 Bhp) 2016–19
• 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016–19
• 991.1 R 4.0L (500 Bhp) 2016
• 991.1 GT3 3.8L (475 Bhp) 2014–16
• 991.1 GT3 RS 4.0L (500 Bhp) 2015–16
• 991.2 Speedster 4.0L (510Bhp) 2019
• 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017–19

Porsche 981 Boxster and Cayman, including Spyder and GT4, 2012–16

• Boxster 981 2.7L 2012–16
• Boxster 981 S / GTS 3.4L 2012–16
• Boxster 981 Spyder 3.8L 2016
• Cayman 2.7L 981 2013–16
• Cayman S / GTS 3.4L 981 2013–16
• Cayman GT4 3.8L 2015–16

Porsche 718 (982) Boxster and Cayman, 2017>>

• Boxster 718 2.0L Manual (300 Bhp) 2017>>
• Boxster 718 2.0L PDK (300 Bhp) 2017>>
• Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
• Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
• Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
• Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
• Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
• Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
• Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
• Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
• Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
• Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
• Cayman 718 2.0L Manual (300 Bhp)
• Cayman 718 2.0L PDK (300 Bhp)
• Cayman S 718 2.5L Manual (350 Bhp)
• Cayman S 718 2.5L PDK (350 Bhp)
• Cayman T 718 2.0L Manual (300 Bhp)
• Cayman T 718 2.0L PDK (300 Bhp)
• Cayman GTS 718 2.5L Manual (365 Bhp)
• Cayman GTS 718 2.5L PDK (365 Bhp)
• Cayman GTS 718 4.0L Manual (400 Bhp)
• Cayman GTS 718 4.0L PDK (400 Bhp)

Check fitment for your specific vehicle (model, year, engine) before ordering.

What This Product Does

For a roadside wheel change, the jack lifts the car through its approved lifting point. A screw-operated scissor assembly extends during use and folds down afterwards for storage with onboard equipment.

Functions

• Provides mechanical lifting for wheel-changing tasks.
• Contacts the approved vehicle lifting location.
• Folds down for onboard storage.
• Replaces a missing or damaged toolkit jack.

Technical Details

• Porsche reference: 99672121100.
• Construction type: mechanical scissors-type jack.
• Quantity recorded in the supplied diagrams: one jack.
• 993 diagram entries retain the notes (AUS) and TURBO CARRERA RS.
• I447 appears against the 997.1, 997.1 GT2, 997 GT3 and 987 Boxster / Boxster S entries.
• The 997 GT3 entry also carries the remark 10-; confirm its relevance against the vehicle specification.

Diagram Applications

The supplied application records identify these assemblies:

• tool jack 993 1994-98
• tool jack 996 1998-05
• tool, jack, fire extinguisher 996 TURBO 2001-05
• tool jack 986 Boxster 1997-04
• tool jack 997.1 2005-08
• tool jack fire extinguisher 997.1 GT2 2007-09
• Tool, jack and fire extinguisher 997 GT3 2007-11
• tool jack 987 Boxster / Boxster S 2005-08
• Tool jack 991.1 2012-2016
• Tool jack 991 Turbo / GT2 RS 2014-20
• Tool jack 997.2 Carrera 2009-12
• Tool jack 997.2 Turbo / GT2 RS 2010-13
• Tool jack 987C.1 Cayman 2006-08
• Tool jack 991.2 Carrera 2017-19
• Tool jack 991 R/GT3/RS 2014-21
• Tool jack 987.2 Boxster / Boxster S 2009-12
• Tool jack 981 Boxster / Boxster S 2012-16
• Tool jack 981.SP Boxster Spyder 2016
• Tool jack 718 (982) Boxster 2017>>
• Tool jack 987C.2 Cayman 2009-12
• Tool jack 981C Cayman / Cayman S 2014-16
• Tool jack 981C Cayman GT4 2016
• Tool jack 718C (982C) Cayman 2017>>

Symptoms of Fault

• Visible distortion or cracking of the arms.
• A seized screw or resistance during operation.
• Wear or damage at the lifting contact.
• Difficulty extending or folding the mechanism.
• A damaged operating handle.

Why Replacement Matters

Renewing an unserviceable jack, or replacing one that is absent, restores the intended onboard lifting equipment. Stop using a jack that binds, shows structural damage or cannot sit correctly at the lifting point.

FAQs

What is supplied?
The jack itself. Diagrammed tool bags, towing eyes, wheel tools and storage fittings are separate components.

How do I confirm suitability?
Match reference 99672121100 to the original equipment, then verify the VIN, model year and applicable equipment identifiers, including I447 where recorded.

Can I work underneath using only this jack?
No. Never get beneath a car held solely by a jack. Follow the vehicle handbook and use appropriately rated support equipment.

What should I check before lifting?
Follow the handbook's wheel-changing procedure, including ground conditions, wheel chocking and the correct lifting location. Verify the jack's stated capacity and lifting height against the vehicle requirements.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99672121100

The product you are viewing cross references to these numbers

Porsche guide sleeve assembly, comprising a synchronising hub and operating sleeve, for the specified 993, 996 and 997 manual transmissions. Gear-pair allocation depends on the gearbox: the diagrams identify both 3rd/4th-gear and 5th/6th-gear positions.

Fits

• Porsche 993 Carrera G50.20/21, 1995 onwards
  Supplied variants: 993 (911) C2 1994–97; 993 (911) C2S 1994–97.
• Porsche 993 Carrera 4 G64.20/21, 1995 onwards
  Supplied variants: 993 (911) C4 1994–97; 993 (911) C4S 1994–97.
• Porsche 993 Carrera RS G50.31/32/33, 1994–98
  Supplied variant: 993 (911) RS 1994–97.
• Porsche 993 Turbo G64.51, 1994–98
  Supplied variants: 993 (911) TURBO 1994–96; 993 (911) TURBO S 1994–97.
• 993 (911) GT2 1994–97.
• Porsche 996 Turbo and Turbo X50 G96.50, 2001–05 — 5th/6th gear
  Supplied model coverage: 996 TURBO 2000–05.
• Porsche 996 GT2 G96.88, 2001–05 — 5th/6th gear
• Porsche 996 GT3-1 G96.90, 2000–01; G96.93, 2001; G96.96, 2004–05 — 5th/6th gear
  Supplied variants: 996 GT3 MKI 1999–02; 996 GT3 MKII 2003>>; 996 GT3 RS 2003–04.
• Porsche 997.1 Turbo GT2 G97.88, 2008–09, and 997.1 GT2 RS G97.88, 2011 — 5th/6th gear
  Supplied variants: 997 MK1 TURBO 2007–09; 997 MK1 GT2 2007–09.
• Porsche 997 GT3 G97.90, up to 2009 — 5th/6th gear
  Supplied variants: 997 MK1 GT3 / GT3 RS 2007–09.
• Porsche 997 GT3 / GT3 RS G97.90/92, 2010 onwards — 5th/6th gear
  Supplied variants: 997 MKII GT3 / GT3 RS 2010–11.
• Porsche 997.2 GT2 RS G97.88, 2011 — 5th/6th gear
  Supplied model coverage: 997 MKII GT2 RS 2011–13; the corresponding diagram also uses G9788.

Confirm the vehicle's model, production year, engine, gearbox designation and transmission serial number before ordering. The model-year listings do not replace the gearbox-specific restrictions.

What This Product Does

Within the manual transmission, this assembly connects gear selection with the synchronising mechanism. Movement of the sleeve allows the selected gear to couple to its shaft; matching the sleeve to the correct transmission and gear position is essential.

Functions

• Provides the hub and sliding sleeve used for gear engagement.
• Works with the associated synchroniser components during selection.
• Serves the gear pair identified for each applicable gearbox.

Technical Details

• Porsche identification number: 95030402123.
• Diagram terminology: guide sleeve; synchronising hub and operating sleeve assembly.
• Specified 993 3rd/4th-gear version: internal dimension 33.66 mm.
• 993 transmission serial-number restrictions: G50.20 1 002694 >>; G50.20 2 002174 >>; G50.21 1 005073 >>; G50.21 2 003095 >>. Associated production remark: 95-95-95-95-.
• The 993 diagram also identifies a 5th/6th-gear position. Later listed 996 and 997 diagrams identify this component for 5th/6th gear.
• Recorded diagram quantity: 1 for each applicable position; this is not a statement of package contents.

Symptoms of Fault

Possible indications include resistance when selecting the relevant gears, a crunch during shifts, unreliable engagement or jumping out of gear. Inspection may reveal scoring, looseness or damaged engagement surfaces. Metallic particles in gearbox oil suggest internal deterioration but do not identify this sleeve alone as the cause.

Why Replacement Matters

Renewal is appropriate when inspection confirms damage or wear affecting engagement. During dismantling, assess adjacent gear teeth, synchroniser rings, springs, engagement pieces and bearings. Check the clutch, selector linkage and lubricant specification as well, since faults elsewhere can resemble a sleeve problem.

FAQs

Which gear pair uses this assembly?
The relevant 993 entry specifies 3rd/4th gear, while another 993 position and the listed later transmissions specify 5th/6th gear. Match the diagram position and transmission serial restrictions.

Does a difficult shift prove sleeve failure?
No. Diagnosis should distinguish internal wear from clutch, linkage and lubrication problems before parts are selected.

What should be checked during installation?
A gearbox specialist should examine the neighbouring synchroniser hardware, bearings and gears, then follow the applicable assembly procedures.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95030402123

The product you are viewing cross references to these numbers

Porsche genuine right-side door latch assembly for selected 996 911, 986 Boxster and 980 Carrera GT applications from 1998–05. Unit 3B1837016P incorporates both the closing mechanism and electrically operated lock.

Fits

• Boxster 986/987/981 (1997–2016)
• 996 (911) (1997–2005)
• Selected Porsche 980 Carrera GT models within the supplied 1998–05 application period.

The supplied Boxster coverage spans several generations; it does not confirm suitability for every vehicle listed. Match 3B1837016P against the original component and check the VIN, production year, market specification and alarm equipment.

What This Product Does

The latch retains the door against its striker when shut, while the electrical mechanism controls locking. Integrated switches report whether the door is open or closed to connected vehicle systems, including compatible central locking and alarm equipment.

Functions

• Retains the closed right-side door.
• Provides electrically controlled locking and unlocking.
• Reports latch position to associated controls.
• Works with compatible alarm and anti-theft equipment.

Technical Details

• Brand: genuine Porsche.
• Product identifier: 3B1837016P.
• Installation position: Right.
• Assembly incorporates a latch, locking actuator and internal status switches.
• Specified for selected vehicles equipped with compatible alarm or anti-theft systems.

Symptoms of Fault

• Stiff movement or inconsistent response when operating the handle.
• Intermittent right-side central locking.
• Failure to respond correctly to lock or unlock commands.
• Alarm indications associated with an incorrect door-status signal.
• Unexpected window-drop behaviour or incorrect door-open recognition.
• Several closing attempts needed before the latch engages.

Why Replacement Matters

Wear or electrical failure within this unit can disrupt access, door retention and locking. Renewing a diagnosed faulty assembly addresses its combined mechanical and electrical components while maintaining genuine Porsche specification. Check related fittings and confirm the vehicle's alarm configuration before fitting.

FAQs

Which side does this component serve?
It is specified for the Right door; do not select it solely by driver or passenger position.

Is compatibility universal across the listed models?
No. Production details, market equipment and alarm specification can affect suitability. Verify the VIN and original component number.

Could latch faults influence the windows or alarm?
Incorrect signals from the internal switches may affect systems that depend on door-position information.

Does the assembly include fitting accessories?
Seals, keys, barrels and mounting hardware are not confirmed as included. Assess the existing fittings separately.

Check fitment for your specific vehicle (model, year, engine) before ordering.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3B1837016P

The product you are viewing cross references to these numbers

Windscreen Wiper Arm, Front Passenger Side, For LHD.

The Porsche Windscreen Wiper Arm 958955408B is a genuine Porsche replacement front passenger-side wiper arm for left-hand-drive Porsche Cayenne models.
Fits:

• Porsche 957 Cayenne 3.0L Diesel 2007-10
• Porsche 957 Cayenne 3.6L 2007-10
• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10  

Diagram Ref No 20

The arm connects the windscreen-wiper linkage to the passenger-side wiper blade and transfers the movement generated by the wiper motor across the windscreen.

Correct arm geometry and spring pressure are essential for keeping the blade firmly against the glass and maintaining an effective wiping pattern in rain, road spray and other poor-weather conditions.
What This Product Does:
The windscreen-wiper arm provides the mechanical connection between the wiper spindle and the wiper blade.

Its main functions include:

• Transferring movement from the wiper mechanism to the blade
• Holding the wiper blade against the windscreen
• Maintaining the correct blade angle
• Providing spring pressure across the wiping surface
• Following the curvature of the windscreen
• Keeping the blade correctly positioned when parked
• Supporting reliable windscreen clearing in rain and road spray

The arm itself does not clean the glass; the replaceable wiper blade attached to it provides the wiping edge.
Symptoms Of Wear Or Failure:
Common symptoms of a worn or damaged wiper arm include:

• Wiper blade failing to clear the windscreen evenly
• Large unwiped areas
• Persistent streaking despite fitting a good blade
• Wiper chatter or judderBlade lifting away from the glass
  
• Poor performance at motorway speeds
• Wiper sitting too high or too low when parked
• Arm contacting surrounding trim
• Excessive arm movement on the spindle
• Bent or twisted arm
• Weak spring tension
• Corrosion around the arm or pivot
• Damaged blade attachment point
• Wiper arm becoming loose
• Stripped or worn spindle splines
• Wiper movement becoming out of synchronisation with the other side

A worn blade can create many of the same wiping symptoms, so the blade should normally be inspected first.
Why Replacement Matters:
Reliable windscreen clearing is essential for forward visibility.

A defective wiper arm can prevent even a new blade from making proper contact with the windscreen.

Continued use with a damaged arm may result in:

• Reduced visibility in rain
• Increased driver fatigue
• Poor clearing of road spray
• Wiper blade damage
• Scratching if incorrect components contact the glass
• Additional stress on the wiper linkage
• Incorrect interaction with the driver's-side wiper

Replacing the damaged arm restores the correct mounting geometry and blade pressure.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

958955408B

The product you are viewing cross references to these numbers

This genuine Porsche connecting-rod bearing shell serves selected Macan 95B.1, Cayenne 958 and Panamera 970 engine assemblies. Supplied as the Lower Yellow version, it carries part number 94810323027.

Fits

• 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014–18
• 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014–18
• 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014–18
• 958 Cayenne V6 3.6L Petrol (300Hp) 2010–17
• 958 Cayenne V6 3.0L Diesel (245Hp) 2010–17
• 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010–17
• 958 Cayenne S V8 4.8L Petrol (400Hp) 2010–17
• 958 Cayenne S V8 4.2L Diesel (382Hp) 2010–17
• 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010–17
• 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010–17
• 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010–17
• 970.1 Panamera S V8 4.8L 2009–13
• 970.1 Panamera 4S V8 4.8L 2009–13
• 970.1 Panamera GTS V8 4.8L 2011–13
• 970.1 Panamera Turbo V8 4.8L 2009–13
• 970.1 Panamera Turbo S V8 4.8L 2009–13
• 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014–16
• 970.2 Panamera Turbo V8 4.8L (520Hp) 2014–16
• 970.2 Panamera Turbo V8 Executive 2014–16
• 970.2 Panamera Turbo S V8 4.8L 2014–16
• 970.1 Panamera V6 3.6L 2WD 2009–13
• 970.1 Panamera 4 V6 3.6L 4WD 2009–13
• 970.2 Panamera V6 3.6L 2WD (310Hp) 2014–16
• 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014–16
• 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014–16
• 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014–16
• 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014–16
• 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014–16

Diagram application and engine-code context

Porsche 95B.1 Macan 3.0L / 3.6L 2014–18 — CTMA, CTM, CTLA, CTL, DCNA, DCN, DHKA, DHK
Porsche 958 Cayenne 4.8L 2011–18 — 4802, 4852, CFTB, CFT, CYXA, CYX
Porsche 970 Panamera 4.8L 2010–16 — 4820, 4840, 4870, CXPA, CXRA, CXR, CWBA, CWB, CWCA, CWC
Porsche 970 Panamera 3.6L 2010–16 — 4620, 4640, CWAA, CXNA
Porsche 970 Panamera 3.0L 2014>> — CWDA, CWD, CWFA, CWF

Check fitment for your specific vehicle (model, year, engine) before ordering.

What This Product Does

The shell forms the renewable bearing interface between a crankshaft journal and the connecting rod’s big end. With the correct measured clearance and lubrication, this interface accommodates rotation without direct contact between the rod and journal.

Functions

• Provide a replaceable journal-facing bearing surface.
• Support lubricated movement at the rod’s big end.
• Establish running clearance when correctly selected and installed.

Technical Details

• Manufacturer: Porsche; reference 94810323027.
• Yellow identification marking; lower position explicitly recorded for the applicable Macan and Panamera 3.0L diagram rows.
• Macan row codes: CTMA, CTM, DCNA, DCN; assembly quantity recorded as 6.
• Cayenne 4.8L row code: 4802; assembly quantity recorded as 16.
• Panamera 4.8L row codes: 4820, 4840, CXPA, CXRA, CXR; assembly quantity recorded as 16.
• Panamera 3.6L assembly quantity: 12; Panamera 3.0L assembly quantity: 6. These diagram quantities do not indicate pack contents.

Symptoms of Fault

• Big-end knocking that becomes more noticeable with rising revs or load.
• Reduced oil pressure after the engine reaches operating temperature.
• Metal fragments discovered during lubricant or filter inspection.
• Measured running clearance outside the engine specification.
• Scratched surfaces, overheating marks or other bearing damage.
• Inspection evidence of lubrication loss or shell rotation within the rod.

Why Replacement Matters

Bearing wear may increase clearance and affect journal lubrication, with further deterioration potentially damaging adjacent engine components. During rebuilding, assess the crankshaft, rod big-end dimensions, lubrication passages and fixing requirements before installation. Select the shell using engine-specific identification and clearance measurements; the yellow marking alone is not sufficient to establish suitability.

OE Reference

94810323027

FAQs

Where is this shell installed?
The relevant Macan and Panamera 3.0L rows identify the lower position. Verify both location and identification marking against the particular engine assembly.

How many shells does the job require?
The supplied diagrams record assembly quantities of 6, 12 and 16, depending on application. Establish the required count from the engine being repaired; these figures are not a supplied-set specification.

What else needs checking during renewal?
Inspect journal condition, rod dimensions, lubricant passages and fasteners. Confirm the required bearing clearance before completing assembly.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94810323027

The product you are viewing cross references to these numbers

Water Drain Tube.

The Porsche Water Drain Tube 99611029700 is a genuine Porsche replacement drain pipe used within the air-cleaner and water-trap assembly on selected Porsche 986 Boxster models.

Fits:

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster 986 2.7L 2003-04  

Diagram Ref No 18

Located in the engine air-intake system, the tube provides a controlled route for water collected by the air-cleaner water trap to drain away rather than remaining around the intake assembly.

Its role is particularly important in helping keep accumulated rainwater and moisture away from the air-filter element and intake tract.

Manufactured as a genuine Porsche component, it provides the correct dimensions and fit for the original air-cleaner installation.

What This Product Does:
The air-cleaner system must provide the engine with clean intake air while helping prevent unwanted water and debris from reaching the filter and intake tract.

The water trap separates collected moisture from the incoming air path, while the drain tube allows this water to escape.

The water drain tube helps:

• Drain collected water from the air-cleaner water trap
• Prevent standing water around the air-filter assembly
• Reduce the risk of the air-filter element becoming unnecessarily wet
• Direct moisture away from the intake system
• Maintain the intended operation of the Porsche air-cleaner assembly
• Keep the original water-management system complete
• Replace a split, blocked, hardened or missing original drain pipe

Symptoms Of Wear Or Failure:
The drain tube can deteriorate through age, heat exposure, contamination and repeated temperature cycling.

Possible symptoms include:

• Visible cracks or splits in the tube
• Hardened or brittle material
• Tube becoming loose or detached
• Distorted or collapsed tubing
• Blockage from dirt or debris
• Water remaining in the air-cleaner water trap
• Moisture or standing water around the airbox
• Damp air-filter element
• Water staining around the air-cleaner assembly
• Incorrect drainage into the surrounding engine compartment
• Missing drain tube during inspection

Because this component is primarily a drainage part, deterioration may not immediately produce an engine warning light or obvious drivability problem.

Why Replacement Matters:
Although relatively small, the drain tube forms part of Porsche's original intake water-management system.

A damaged or obstructed tube can prevent collected water from draining correctly.

Continued use with a failed drain tube may contribute to:

• Persistent moisture around the air cleaner
• Premature air-filter deterioration
• Unwanted water accumulation
• Corrosion or staining of surrounding components
• Reduced effectiveness of the air-cleaner water trap
• Increased risk of moisture progressing further into the intake system

Replacing a deteriorated tube restores the intended drainage route and helps protect the air-cleaner assembly from unnecessary moisture accumulation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99611029700

The product you are viewing cross references to these numbers

Coolant Supply Hose.

The Porsche Coolant Supply Hose 9A110666001 is a genuine Porsche replacement water hose used within the engine cooling system on selected Porsche 997-generation 911 models.

Fits:

• Porsche 997 MKII Carrera C2 3.6L 2009-12
• Porsche 997 MKII Carrera C4 3.6L 2009-12
• Porsche 997 MKII Carrera C2S 3.8L 2009-12
• Porsche 997 MKII Carrera C4S 3.8L 2009-12
• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13  

Diagram Ref No 15

The hose forms part of the engine-side coolant pipework and carries pressurised coolant through the water-pipe assembly, helping maintain stable engine temperature under normal driving and high-load operating conditions.

What This Product Does:
The engine cooling system circulates coolant through the engine, radiators, thermostat and associated pipes to remove excess heat.

The coolant supply hose forms part of this sealed, pressurised circuit.

Its functions include:

• Carrying engine coolant through the cooling system
• Maintaining consistent coolant circulation
• Supporting stable engine operating temperature
• Connecting associated water-pipe and engine cooling components
• Containing coolant under pressure
• Helping prevent coolant loss
• Supporting correct thermostat and water-pump operation
• Maintaining the factory Porsche cooling-system layout

Although relatively small, a sound supply hose is essential for keeping the cooling circuit sealed and dependable.

Symptoms Of Wear Or Failure:
Coolant hoses deteriorate over time through heat, pressure, vibration and chemical exposure.

Possible signs of failure include:

• Visible coolant leakage
• Pink, white or coloured coolant residue around the hose
• Dampness around hose connections
• Cracks in the hose surface
• Splitting around the ends
• Swollen or bulging hose sections
• Hose becoming unusually soft
• Hose becoming hard or brittle
• Coolant smell around the engine
• Falling coolant level
• Frequent need to top up coolant
• Low-coolant warning
• Engine-temperature fluctuations
• Engine overheating
• Steam from the engine area

A hose may also deteriorate internally without severe external cracking, so condition should be assessed carefully during cooling-system maintenance.

Why Replacement Matters:
A deteriorated coolant hose can eventually leak or rupture.

Because the cooling system operates under pressure, even a small split can lead to rapid coolant loss once the engine reaches operating temperature.

Continued driving with a failed hose may result in:

• Loss of cooling-system pressure
• Reduced coolant circulation
• Engine overheating
• Turbocharger heat-management problems
• Damage to seals and gaskets
• Cylinder-head damage
• Severe engine damage in extreme cases
• Vehicle breakdown

Replacing an aged or leaking hose restores the integrity of the cooling circuit and reduces the risk of sudden coolant loss.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110666001

The product you are viewing cross references to these numbers

Water Hose.

The Genuine Porsche Water Hose is a replacement coolant hose used within the Tiptronic automatic-transmission ATF cooler circuit on selected Porsche 911 models.

Fits:

• Porsche 996 C2 3.6L 2002-2005
• Porsche 996 C4 3.6L 2002-2005
• Porsche 996 C4S 3.6L 2002-2005
• Porsche 996 TURBO 2000-05
• Porsche 996 GT2 2001-05
• Porsche 997 MK1 Carrera 2 3.6L 2005-08
• Porsche 997 MK1 Carrera 2S 3.8L 2005-08
• Porsche 997 MK1 Carrera 4 3.6L 2005-08
• Porsche 997 MK1 Carrera 4S 3.8L 2005-08
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT2 2007-09  

Diagram Ref No 16

Although positioned within the transmission oil cooler system, this hose carries engine coolant rather than automatic transmission fluid. Coolant circulates through the ATF heat exchanger, allowing heat to be transferred between the transmission fluid and the engine cooling system.

Maintaining this coolant flow helps the Tiptronic transmission reach and remain within an appropriate operating temperature range during normal driving, motorway use and higher-load conditions.

As the hose ages, repeated heat cycles, cooling-system pressure and exposure to coolant can cause the rubber to harden, swell, crack or leak. Replacing a deteriorated hose helps restore a sealed cooling circuit and reliable coolant flow through the ATF heat exchanger.

What This Product Does:
The water hose forms part of the coolant circuit serving the Tiptronic transmission heat exchanger.

It is designed to:

• Carry engine coolant through the ATF cooler circuit.
• Support transmission-fluid temperature regulation.
• Maintain coolant circulation through the heat exchanger.
• Help remove excess heat from the automatic transmission fluid.
• Help the transmission reach an appropriate operating temperature.
• Maintain cooling-system pressure.
• Prevent coolant loss when correctly sealed.
• Replace a cracked, hardened or leaking original hose.
• Support reliable Tiptronic transmission cooling.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Visible coolant leakage.
• Coolant dripping beneath the vehicle.
• Dampness around the hose or connections.
• Dried coolant residue around hose ends.
• Gradual loss of coolant.
• Coolant-level warning.
• Sweet coolant smell after driving.
• Hose becoming hard or brittle.
• Surface cracking.
• Swelling or bulging.
• Soft or spongy areas.
• Leakage when the engine reaches operating temperature.
• Cooling-system pressure loss.
• Engine temperature becoming unstable.
• ATF temperature increasing under heavy use if coolant circulation is compromised.

Why Replacement Matters:
Replacement may be appropriate when:

• Coolant leakage is confirmed.
• Dried coolant residue is visible.
• The hose is cracked.
• Rubber has become hard.
• The hose is swollen.
• Soft spots are present.
• Hose ends no longer seal correctly.
• The hose has been damaged during transmission or cooling-system work.
• The ATF cooler is being replaced or serviced.
• The cooling system is undergoing preventative refurbishment.
• The original hose is old and its condition is uncertain.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99630771113

The product you are viewing cross references to these numbers

A/C Compressor Spacer Sleeve. 
The Genuine Porsche A/C Compressor Spacer Sleeve (Part Number 99612610253) is a precision-engineered mounting component designed to ensure correct positioning, alignment and secure installation of the air conditioning compressor within the engine assembly.

Fits:

• Porsche Boxster 987 2.7L 2005-08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche 996 C2 3.6L 2004-2005
• Porsche 996 C4 3.6L 2004-2005
• Porsche 996 C4S 3.6L 2004-2005
• Porsche 997 MK1 Carrera 2 3.6L 2005-08
• Porsche 997 MK1 Carrera 2S 3.8L 2005-08
• Porsche 997 MK1 Carrera 4 3.6L 2005-08
• Porsche 997 MK1 Carrera 4S 3.8L 2005-08  

Diagram Ref No 4

Manufactured to Porsche's original equipment specifications, this spacer sleeve maintains the correct distance between the A/C compressor and its mounting points, helping ensure that the compressor is securely attached and correctly aligned with the engine's auxiliary drive belt system.

Although relatively small, the compressor spacer sleeve plays an important role in maintaining the structural integrity of the air conditioning compressor installation.

The air conditioning compressor operates under continuous mechanical loads, engine vibration and temperature fluctuations. Correct mounting alignment is essential to prevent excessive stress on the compressor housing, mounting bolts and associated drive components.

Over time, a spacer sleeve may become damaged, distorted, corroded or lost during previous compressor repairs or replacement. An incorrectly fitted or missing spacer can affect compressor positioning, potentially leading to unwanted movement, vibration, mounting stress and accessory drive belt alignment problems.

Replacing a damaged or missing spacer sleeve with a Genuine Porsche component helps restore the correct factory mounting arrangement, supporting reliable compressor operation and protecting surrounding components.

Ideal for air conditioning compressor repairs, mounting bracket maintenance and replacement during A/C system servicing, this genuine replacement component provides original equipment fitment and dependable performance.

What This Product Does:
The A/C compressor spacer sleeve is a mechanical mounting component that helps maintain the correct installation geometry of the air conditioning compressor.

Its primary functions include:

• Maintains Correct Compressor Spacing: Establishes the specified distance between the air conditioning compressor and its mounting surfaces.
• Supports Accurate Compressor Alignment: Helps position the compressor correctly in relation to the engine and associated mounting components.
• Provides Mounting Bolt Support: Works with the compressor mounting hardware to maintain the correct installation arrangement.
• Helps Maintain Pulley Alignment: Supports correct positioning of the compressor pulley relative to the engine's auxiliary drive belt.
• Reduces Excessive Mounting Stress: Helps prevent incorrect clamping forces and unnecessary strain on the compressor housing and mounting points.
• Prevents Unwanted Compressor Movement: Contributes to a securely mounted compressor assembly when all associated hardware is correctly installed.
• Supports Stable Compressor Operation: Helps maintain a consistent mounting position despite normal engine vibration.
• Maintains Original Equipment Fitment: Ensures the compressor is installed using the correct factory-specified spacing arrangement.
• Protects Associated Components: Helps reduce the risk of mechanical interference and unnecessary wear caused by incorrect compressor positioning.

Symptoms Of Wear Or Failure:
The A/C compressor spacer sleeve is a non-moving component and does not normally experience the same wear as rotating or rubber components.

However, damage, corrosion, incorrect installation or missing mounting hardware can affect its performance.

Common symptoms of a damaged or missing compressor spacer sleeve include:

• Incorrect Compressor Alignment: The air conditioning compressor appears tilted or incorrectly positioned relative to its mounting bracket.
• Loose Compressor Mounting: The compressor may move or vibrate because the mounting assembly cannot be secured correctly.
• Visible Spacer Damage: The sleeve may show signs of crushing, deformation, cracking or physical deterioration.
• Damaged Mounting Hardware: Mounting bolts may become loose, incorrectly seated or difficult to tighten to the specified torque.
• Excessive Compressor Vibration: Unusual vibration may be transmitted through the compressor mounting assembly.
• Unusual Engine Bay Noises: Rattling, knocking or vibration-related noises may occur if the compressor is inadequately secured.
• Accessory Belt Misalignment: Incorrect compressor positioning may cause the drive belt to run unevenly across the pulley.
• Premature Drive Belt Wear: Abnormal pulley alignment may contribute to belt edge wear, fraying or deterioration.
• Belt Squealing or Chirping: Misalignment may produce unwanted belt noise during engine operation.
• Damage Around Mounting Points: Cracks or stress marks may appear around the compressor mounting lugs or supporting brackets.
• Missing Spacer Sleeve: Previous compressor replacement or servicing may have resulted in the original sleeve being misplaced or omitted.

Why Replacement Matters:
Replacing a damaged, distorted or missing compressor spacer sleeve helps ensure the air conditioning compressor remains correctly positioned and securely mounted to the engine.

Key Benefits of Replacement:

• Restores Correct Compressor Alignment: Helps return the compressor to its factory-specified mounting position.
• Maintains Secure Installation: Supports proper clamping of the compressor mounting hardware.
• Protects Compressor Mounting Points: Helps reduce excessive mechanical stress on the compressor housing and mounting brackets.
• Supports Correct Drive Belt Alignment: Helps maintain the intended relationship between the compressor pulley and auxiliary drive belt.
• Reduces Unwanted Vibration: Contributes to a stable compressor installation when all mounting components are in good condition.
• Helps Prevent Premature Belt Wear: Reduces the risk of alignment-related wear caused by incorrect compressor positioning.
• Protects Associated Components: Helps minimise unnecessary strain on mounting bolts, brackets and adjacent components.
• Genuine Porsche Quality: Manufactured to the original equipment specifications for the relevant application.
• Correct Original Equipment Fitment: Provides the required mounting dimensions without improvised spacers or modifications.
• Ideal During Compressor Replacement: Ensures the correct mounting arrangement is restored when installing a new or refurbished A/C compressor.
• Supports Long-Term Reliability: Helps preserve the mechanical integrity of the compressor mounting assembly.
• Cost-Effective Preventative Maintenance: Replacing a damaged spacer may help prevent more expensive repairs caused by mounting misalignment.

Although the compressor spacer sleeve is a small component, its correct installation is important for the reliability and mechanical stability of the air conditioning system.

A missing or incorrectly sized spacer can prevent the compressor from being secured as Porsche intended, potentially causing vibration, belt alignment issues and stress around the mounting points.

Replacing the component with a Genuine Porsche spacer sleeve helps restore the original mounting geometry and maintain the dependable operation of the compressor assembly.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99612610253

The product you are viewing cross references to these numbers