Oil System & Pipes

Engine Oil cooler Suction Hose.
Restore dependable oil circulation between the engine and oil cooling system with this OE Match Engine Oil Cooler Suction Hose. Designed for compatible Porsche applications, this hose forms part of the engine lubrication and oil cooling circuit, providing a secure pathway for engine oil between associated components.

Fits:
Porsche 911 T-E/E/S 1972
Porsche 911 T-V 1972

Diagram Ref No 33

The oil cooling system plays an important role in controlling engine oil temperature, particularly in an air-cooled performance engine where the oil contributes significantly to both lubrication and heat management. The suction hose must maintain a reliable, unrestricted connection while coping with hot engine oil, vibration, temperature changes and normal engine movement.  

What This Product Does:

• Forms part of the engine's oil circulation and cooling system.
• Provides a secure pathway for engine oil between associated components.
• Helps maintain consistent oil circulation through the system.
• Supports effective engine oil temperature management.
• Helps ensure the lubrication system remains properly supplied.
• Accommodates normal engine movement and vibration.
• Withstands exposure to hot engine oil and changing operating temperatures.
• Helps prevent external engine oil leakage when correctly installed.
• Replaces a cracked, hardened, damaged or leaking original hose.
• Provides an OE-style replacement for compatible Porsche applications.

Symptoms Of Wear Or Failure:

• Engine oil leaking from the hose.
• Oil seepage around the hose connections or fittings.
• Oil drops or patches underneath the vehicle.
• A gradual reduction in engine oil level.
• Wet or oily areas around the oil cooling system.
• A strong smell of hot or burning engine oil.
• Smoke if leaked oil reaches hot engine or exhaust components.
• Visible cracks or splits in the hose.
• Hardened or brittle hose material.
• Swelling, softening or deterioration of the hose.
• Kinks, crushing or deformation that may restrict oil flow.
• Corrosion or damage around associated fittings.
• Deterioration discovered during engine or oil-system servicing.

Why Replacement Matters:

• The engine depends on continuous oil circulation to lubricate bearings, crankshaft components, camshaft and valve-train parts, pistons and other internal surfaces. The oil cooling circuit also helps manage the temperature of this lubricant under demanding operating conditions.
• A deteriorated suction hose can create two primary problems: oil leakage and restricted oil flow.
• An external leak can gradually reduce the engine oil level. If sufficient oil is lost, lubrication may be compromised, potentially leading to increased friction, elevated temperatures and accelerated internal engine wear. Significant oil loss can ultimately result in severe engine damage.
• Oil leaking onto hot engine or exhaust components may also create smoke, unpleasant odours and a potential fire hazard, making significant leaks particularly important to address promptly.
• A hose that has deteriorated internally, become crushed or developed a kink may restrict oil movement even without an obvious external leak. Maintaining the correct hose condition and routing therefore helps support reliable oil circulation and cooling-system performance.

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

91120731802

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Oil pipe. Engine to oil filter bracket.

Fits:
Porsche 911 1972

Click 'Zoom in' for large parts diagram.
Diagram ref no 41.

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91110772012

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Oil Pipe, Engine To Oil Filter Bracket.
The OE Match Oil Pipe, Engine to Oil Filter Bracket is a high-quality replacement engine lubrication component designed to transfer engine oil between the engine and the oil filter bracket assembly. Manufactured to OE specifications for fit, flow capacity and durability, this oil pipe helps maintain reliable oil circulation and correct lubrication throughout the engine.  

Fits:

Diagram Ref No 41

Constructed from high-quality corrosion-resistant metal tubing with precision-formed bends and OE-style connection points, the pipe is engineered to withstand high oil pressure, elevated temperatures and continuous engine vibration. It provides a secure, leak-free route for pressurised oil within the lubrication system, helping to protect critical engine components and maintain long-term reliability.  

What This Product Does:

• Transfers engine oil between the engine and oil filter bracket.
• Maintains efficient oil flow through the lubrication system.
• Supports proper oil filtration by routing oil to the filter assembly.
• Helps maintain correct oil pressure.
• Provides secure, leak-free oil transfer under operating pressure.
• Protects internal engine components through consistent lubrication.
• Supports engine cooling by maintaining correct oil circulation.
• Forms an essential part of the engine oil delivery system.

Symptoms Of Wear Or Failure:

• Visible engine oil leaks.
• Oil residue around the pipe or connection points.
• Low engine oil level.
• Oil pressure warning light illumination.
• Oil smell from the engine bay.
• Corrosion or physical damage to the pipe.
• Cracked or leaking fittings.
• Reduced oil circulation.
• Increased engine operating temperatures.
• Premature engine wear caused by lubrication loss.

Why Replacement Matters:

• Engine oil pipes operate under high pressure and are continuously exposed to hot engine oil, vibration, road debris and environmental corrosion. Over time, metal pipework can corrode, fatigue or become damaged, while fittings and sealing surfaces may deteriorate and begin to leak.
• A leaking or restricted oil pipe can reduce oil pressure and compromise oil delivery to critical engine components such as bearings, camshafts and valve train components. Continued operation with insufficient lubrication can accelerate wear and may lead to serious engine damage.
• Replacing a worn or damaged oil pipe restores reliable oil circulation and helps maintain proper oil pressure and filtration. An OE Match replacement provides factory-style fitment, durable construction and dependable sealing performance, helping protect engine reliability, performance and longevity.

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91110772012

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This OE Match engine-to-thermostat oil pipe serves the specified Porsche 911, Carrera, SC and Turbo applications. It connects the engine oil circuit to the thermostat as part of the oil circulation system.

Fits

• Porsche 911 3.0 03/74-07/83
• Porsche 911 Turbo 3.0 01/75-07/77
  
  

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

Diagram reference number: 9

What This Product Does

The pipe provides an oil passage between the engine and thermostat. It is a connecting component, rather than the thermostat itself: temperature-dependent flow control remains the role of the thermostat assembly.

Functions

• Conveys engine oil to the thermostat connection.
• Provides the specified connection between these oil-system components.
• Replaces a leaking or damaged pipe during maintenance or restoration.
  
  

Technical Details

• Brand: OE Match.
• Part number: 91110774312.
• Associated supplied reference: 91110774310.
• Installation connection: engine to thermostat.
  
  

Symptoms of Fault

• Fresh oil beneath the vehicle.
• Wetness along the pipe or around its connections.
• Burning-oil odour following a journey.
• Smoke where escaping oil reaches hot exhaust parts.
• Visible corrosion, cracking or contact damage.
• Oil loss requiring repeated topping up.
  
  

Why Replacement Matters

A deteriorated pipe or connection can allow oil to escape. Renewing a confirmed faulty line addresses that leak and restores the intended oil route. Inspect adjoining unions, sealing surfaces and supporting components during the repair, especially if the pipe has been disturbed during engine work.

FAQs

Does oil around a connection mean the pipe has failed?
Not necessarily. Check the union and sealing surfaces as well as the pipe before deciding which component needs replacement.

Why can a leak appear after other maintenance?
Moving ageing pipework or connections can disturb an existing seal. Inspect the area for fresh oil after reassembly.

What should be checked after fitting?
Remove old oil residue, confirm the oil level using the vehicle-specific procedure and inspect the connections again after operating-temperature cycles.

Related reference numbers
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91110774312

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Front oil cooler oil pipe.

Fits:
Porsche 911 1965-71

Previous OE part number:
- 90110736110

Click 'Zoom in' for large parts diagram.
Diagram Ref No 16.

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90110736111

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Front Oil Cooler Oil Pipe.

The OE Match Front Oil Cooler Oil Pipe is a high-quality replacement lubrication system component designed to transfer engine oil between the oil cooling system and the engine on compatible Porsche models. Manufactured to OE specifications for fit, flow capacity and durability, this oil pipe ensures efficient oil circulation while maintaining the correct operating temperature of the engine.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)  

Diagram Ref No 16

Constructed from high-quality corrosion-resistant metal tubing with precision-formed bends and OE-style threaded connections, the oil pipe is engineered to withstand high oil pressures, elevated temperatures and continuous engine vibration. Designed to provide a secure, leak-free connection, it plays a vital role in the performance and longevity of Porsche's engine lubrication and oil cooling system.  

What This Product Does:

• Transfers engine oil to and from the front oil cooler.
• Maintains efficient oil circulation throughout the lubrication system.
• Supports effective engine oil cooling.
• Helps regulate engine operating temperature.
• Delivers a consistent supply of lubricating oil under pressure.
• Provides secure, leak-free oil transfer between components.
• Helps protect internal engine components from excessive wear.
• Forms an essential part of the engine's oil cooling and lubrication system.

Symptoms Of Wear Or Failure:

• Visible engine oil leaks.
• Oil residue around the oil pipe or fittings.
• Low engine oil level.
• Oil pressure warning light.
• Oil smell from the engine bay or underneath the vehicle.
• Corrosion or rust on the oil pipe.
• Cracked or damaged pipe connections.
• Increased engine operating temperatures.
• Reduced oil circulation.
• Premature engine wear caused by lubrication loss.

Why Replacement Matters:

• The front oil cooler oil pipe is continuously exposed to hot engine oil, high operating pressures, vibration, road debris and environmental corrosion. Over time, the pipe can deteriorate through corrosion, impact damage or fatigue, while threaded connections and sealing surfaces may begin to leak.
• A leaking or restricted oil pipe can reduce oil pressure and compromise the engine's lubrication and cooling efficiency. Continued operation with insufficient oil flow can accelerate wear of bearings, camshafts and other critical engine components, potentially leading to severe engine damage and costly repairs.
• Replacing a worn or damaged front oil cooler oil pipe restores reliable oil circulation and ensures the engine's lubrication and cooling systems continue to operate efficiently. The OE Match replacement provides factory-style fitment, robust construction and dependable long-term sealing performance, helping maintain the reliability, performance and longevity expected from your Porsche.

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

90110736111

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Front oil cooler oil pipe.

Fits:
Porsche 911 1965-71

This part number has been superseded from previous numbers:
- 90110736400
- 90110736402

Click 'Zoom in' for large parts diagram.
Diagram ref No 15.

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90110736403

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Front oil cooler oil pipe.

Fits:
Porsche 911 1965-71

This part number has been superseded from previous numbers:
- 90110736400
- 90110736402

Click 'Zoom in' for large parts diagram.
Diagram ref No 15.

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90110736403

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Hose Line Oil Tank. Porsche 911 1972

Fits:
Porsche 911 T-E / E / S 1972
Porsche 911 T-V 1972

Click picture for large parts diagram.
Diagram Ref No 40.

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91120731503

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Hose Line Oil Tank. Porsche 911 1972

Fits:
Porsche 911 T-E / E / S 1972
Porsche 911 T-V 1972

Click picture for large parts diagram.
Diagram Ref No 40.

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91120731503

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Intake / return pipe thermostat to front oil cooler.
2 per car. Price is for each.

Fits:
Porsche 911 911S / CARRERA 2.7 1973-74

Diagram ref no 17

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91110736101

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Intake / return pipe thermostat to front oil cooler.
2 per car. Price is for each.

Fits:
Porsche 911 911S / CARRERA 2.7 1973-74

Diagram ref no 17

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91110736101

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Long intake oil pipe.
Flows length of car.

Fits:
Porsche 911 from model 1987 on

Click 'Zoom in' for large parts diagram.
Diagram Ref No 12

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93020704504

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PLEASE NOTE:
Due to its size, weight or fragility, this item requires additional protective packaging to make sure it reaches you undamaged. A small packing surcharge is applied to cover these specialist materials and the extra care taken preparing your order for transit.

OE Match painted brass intake oil pipe for selected Porsche 911 S and RS applications. Confirm the engine type and existing pipe arrangement, as S-model installations differ.

Fits

• Porsche 911 RS 2.7L 08/72-07/73
• Porsche 911 S 2.4L 1972-07/73 *
• TYP 911/53*
• TYP 911/63*
• TYP 911/83
• TYP 911/88*
  
  

* Please note: not all S models have the same pipe work. If in doubt please check with our sales team before making purchase.

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

Diagram ref no: 18

What This Product Does

This rigid intake tube carries oil within the vehicle’s lubrication pipework. It is an oil-system component, rather than an air-intake part, and its connections must match the existing installation.

Functions

• Provides a passage for circulating engine oil.
• Connects adjoining sections of the lubrication circuit.
• Replaces the corresponding damaged or leaking intake tube.
  
  

Technical Details

• Construction: brass with a painted surface.
• Component identification: intake tube, reference 91120704301.
• Existing catalogue identification: DANSK 1613702300.
• Assembly context: engine lubrication auxiliary units for TYP 911/53/63/83/88, 911 1973 onwards.
  
  

Symptoms of Fault

• Fresh oil beneath the vehicle or damp patches along the pipe.
• Seepage around connecting unions.
• Visible cracking, impact damage or deterioration at fittings.
• An oil smell following use or a repeatedly falling oil level.
  
  

Why Replacement Matters

A damaged tube or leaking connection can allow oil loss. Renewing a confirmed faulty pipe addresses that source of leakage; adjoining seals, unions and supports should also be inspected so that a separate fault is not overlooked. OE Match supplies replacement components developed around Porsche applications

FAQs

Does oil around a union mean the pipe has failed?
Not necessarily. Establish whether the leak originates from the tube, its connection or an adjoining seal before selecting replacement parts.

Will this suit every 911 S?
No. Pipe arrangements vary, so compare the original component, engine identification and application notes.

What should be checked after fitting?
Inspect the cleaned pipe and connections for fresh seepage after the system has been checked through its operating heat cycles.

Related reference numbers
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91120704301

The product you are viewing cross references to these numbers
PLEASE NOTE:
Due to its size, weight or fragility, this item requires additional protective packaging to make sure it reaches you undamaged. A small packing surcharge is applied to cover these specialist materials and the extra care taken preparing your order for transit.

This OE Match painted brass intake oil pipe connects the oil tank with the front oil cooler on the Porsche 911 S 2.4L, 1971–72.

Fits

Porsche 911 S 2.4L 08/71-07/72
TYP 911/53
TYP 911/63

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

Diagram ref no: 17

What This Product Does

The rigid intake line provides an oil passage between the tank and front cooler. It forms part of the external oil circuit, carrying oil through the connected pipework so the lubrication and oil-cooling systems can operate as intended.

Functions

• Connects the tank to the front cooler.
• Provides the intake-side oil route.
• Contains oil within the pipe and its connections when correctly installed.
  
  

Technical Details

• Product reference: 91120702501.
• Construction: brass with a painted finish.
• Configuration: long intake oil pipe.
• Specified application: 911 S, with TYP 911/53 and TYP 911/63 identification.
  
  

Symptoms of Fault

• Fresh oil marks beneath the vehicle.
• Wetness along the pipe or around connecting unions.
• Repeated oil loss requiring investigation.
• Visible cracks, impact damage or deteriorated fittings.
• Burnt-oil odour where escaping oil reaches hot components.
  
  

Why Replacement Matters

A damaged or leaking line can allow oil loss and interrupt the intended circulation path. Renewing a confirmed faulty pipe addresses that source of leakage. During installation, inspect adjoining unions, sealing surfaces and supports rather than assuming that every leak originates in the pipe itself.

FAQs

Does oil around a union mean the pipe has failed?
Not necessarily. A connection or seal may be responsible; establish the leak source before choosing replacement parts.

Is this the return line?
No. Reference 91120702501 identifies the intake tube at diagram position 17.

What should be checked after fitting?
Clean away old oil residue and inspect the pipe and connections for fresh seepage after the system has reached operating temperature.

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

91120702501

The product you are viewing cross references to these numbers
PLEASE NOTE:
Due to its size, weight or fragility, this item requires additional protective packaging to make sure it reaches you undamaged. A small packing surcharge is applied to cover these specialist materials and the extra care taken preparing your order for transit.

Long Oil Pipe Support.

Fits:
Porsche 911 1969-89

Click picture for large parts diagram.
Diagram Ref No 20.

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91120730300

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