Power Steering Pipes / Hoses / Radiators

Clamp 8/15 W5 – Power Steering & Fuel Line Clamp
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High-quality 8/15 W5 clamp designed for multiple Porsche models including 924S, 944, 968, 993, and 996 Turbo.

This clamp is used to secure power steering hoses on 924S, 944, and 968 models, as well as fuel lines on Porsche 964 and 996 Turbo, ensuring correct routing and secure mounting of critical fluid systems.

Fits:

• 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 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• Porsche 996 TURBO 2000-05
• Porsche 996 GT2 2001-05
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87
• Porsche 944 2.7L 8V 1988-89
• Porsche 944S 2.5L 16V 1987-88
• Porsche 944S2 3.0L 16V 1989-91
• Porsche 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988
• Porsche 968 3.0L 1992-94
• Porsche 968 Sport 3.0L 1994-95
• Porsche 968 CS 3.0L 1993-95
• Porsche 968 Turbo S 3.0L 1993-94

Diagram ref no 38

Manufactured to OEM specifications, this clamp provides durability, corrosion resistance, and precise fitment. Supplied individually, it is ideal for maintenance, repair, or restoration across steering and fuel systems.

Key Features

• Clamp size 8/15 W5
• Suitable for Porsche 924, 924S, 944, 968, 993, and 996 Turbo
• Part number 99951115302
• Used for power steering hoses and fuel lines
• Ensures secure hose mounting and routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure hoses within key fluid systems.

It helps to:
• Hold power steering hoses firmly in place
• Maintain correct routing of fuel lines
• Prevent hose movement and vibration damage
• Reduce risk of leaks or system failure
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to heat, pressure, and exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Hose movement or loosening
• Increased risk of leaks or system inefficiency

Replacing worn clamps ensures secure installation and protects critical systems.

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Related, superseded, cross reference or alternative numbers for comparison.

99951115302

The product you are viewing cross references to these numbers

Clamp 8/15 W5 – Power Steering & Fuel Line Clamp
Sold each

High-quality 8/15 W5 clamp designed for multiple Porsche models including 924S, 944, 968, 993, and 996 Turbo.

This clamp is used to secure power steering hoses on 924S, 944, and 968 models, as well as fuel lines on Porsche 964 and 996 Turbo, ensuring correct routing and secure mounting of critical fluid systems.

Fits:

• 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 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• Porsche 996 TURBO 2000-05
• Porsche 996 GT2 2001-05
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87
• Porsche 944 2.7L 8V 1988-89
• Porsche 944S 2.5L 16V 1987-88
• Porsche 944S2 3.0L 16V 1989-91
• Porsche 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988
• Porsche 968 3.0L 1992-94
• Porsche 968 Sport 3.0L 1994-95
• Porsche 968 CS 3.0L 1993-95
• Porsche 968 Turbo S 3.0L 1993-94

Diagram ref no 38

Manufactured to OEM specifications, this clamp provides durability, corrosion resistance, and precise fitment. Supplied individually, it is ideal for maintenance, repair, or restoration across steering and fuel systems.

Key Features

• Clamp size 8/15 W5
• Suitable for Porsche 924, 924S, 944, 968, 993, and 996 Turbo
• Part number 99951115302
• Used for power steering hoses and fuel lines
• Ensures secure hose mounting and routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure hoses within key fluid systems.

It helps to:
• Hold power steering hoses firmly in place
• Maintain correct routing of fuel lines
• Prevent hose movement and vibration damage
• Reduce risk of leaks or system failure
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to heat, pressure, and exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Hose movement or loosening
• Increased risk of leaks or system inefficiency

Replacing worn clamps ensures secure installation and protects critical systems.

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

99951115302

The product you are viewing cross references to these numbers

Hose clamp, 12-22 mm - Various Applications.



Fits:
Porsche 911 - 1978 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 986 Boxster - 1997 to 2004
Porsche 996 - 1997 to 2005
Porsche 997.1 - 2005 to 2008



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99951255400

The product you are viewing cross references to these numbers

Hydraulic Fluid for central, power steering and level control systems.
1 Litre

OE Porsche ref numbers: 000 043 203 33 | 000 043 206 56 | 000 043 305 74


Product Information:
Low compressibility and high corrosion protection
Excellent lubricating properties, high ageing-resistance and adhesion properties
Prevention of deposits and foam formation
Compliance with the requirements of vehicle manufacturers

Vehicle Repairs. We've Got What It Takes.
The febi range of high-quality, specialist hydraulic oils provide optimised low-temperature performance. They are based on advanced additives and selected mineral base oils, and are developed specifically for use in central hydraulic systems such as power steering, convertible roof mechanisms and hydro-pneumatic suspension systems.

Quality by Conviction:
Oils from febi are not universal products, but rather are tailored to the special requirements of vehicle manufacturers. Only the right oil can guarantee the safe functioning of the hydraulic systems in the vehicle. High-quality hydraulic fluids from febi are therefore precisely matched to the special requirements of vehicle manufacturers.


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00004330574

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Power steering centre pressure line.



Fits:
Porsche 996 Carrera 2002-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2001-05

Click 'Zoom in' for large parts diagram
Diagram ref no 6

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99634754553

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Power steering fluid.  1 Litre

Pentosin Hydraulic System Fluid



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00004330574

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Power steering line seal set, Pressure line to rack.
Sold each.

Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2005 - 2008
Porsche 987C.1  Cayman 2006 - 2008
Porsche 996 Carrera 1998 - 2005
Porsche 996 Turbo 2000 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 997.1 Carrera 2005 - 2008
Porsche 997.1 Turbo 2007 - 2009
Porsche 997.2 GT2-RS 2010 - 2013

Diagram ref no 17

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99923054340

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Power steering line seal, return line to rack.
Sold each.

Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2005 - 2008
Porsche 987C.1  Cayman 2006 - 2008
Porsche 996 Carrera 1998 - 2005
Porsche 996 Turbo 2000 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 997.1 Carrera 2005 - 2008
Porsche 997.1 Turbo 2007 - 2009
Porsche 997.2 GT2-RS 2010 - 2013

Diagram ref no 18

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99923054240

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Power Steering Pressure Line, LHD.
Restore the high-pressure hydraulic path in your power-steering system with this genuine Porsche pressure line. Designed for Porsche 911 (996 series) and compatible Boxster models, this hose connects the power-steering pump to the steering gear/rack, ensuring optimum assist performance, secure fluid containment and long-term reliability.
For Left Hand Drive Cars ONLY!

Fits:

• Porsche Boxster 986 2.7L 2003-04
• Porsche Boxster 986 2.7L 2003-04
• Porsche 996 C2 3.6L 2002-2005
• Porsche 996 GT2 2003-05
• Porsche 996 GT3 MKI 1999-02
• Porsche 996 GT3 MKII 2003>>

Diagram Ref No 1

What This Product Does:

• The pressure line carries high-pressure hydraulic fluid from the power-steering pump to the steering gear or rack. This enables the system to provide assist to the driver’s steering input.
• Correct hose integrity ensures fluid stays contained under pressure, the steering assist remains consistent, and no performance loss or fluid loss occurs.
• A failure here can impact steering feel, safety, and can lead to fluid loss or damage.

Symptoms & Signs You Might Need Replacement:

• Visible fluid leak: oil or power-steering fluid puddle or wet spot beneath the car, near the steering gear or hose.
  
• Hard steering or increased effort: If the hose is leaking or collapsed internally, the assist will suffer and you may find the wheel harder to turn.
  
• Whining or groaning noise when turning the steering wheel — indicates stress on the pump due to fluid loss or internal hose restriction.
  
• Hose condition: cracks, abrasions, bulges, fitting damage, especially in older vehicles or where routing is near heat/exhaust components.
  
• During service: If you’re replacing power-steering components (pump, rack, hoses) and the hose is original or aged, replacing the pressure line is wise.
  
  

Why Replacement Matters:

• Steering safety & performance: A pressure line failure can cause sudden loss of assist or fluid loss — replacing before major failure is proactive.
  
• Prevents collateral damage: A leaking hose may cause fluid contamination of other components, damage the pump, or even cause burnt rubber in the bay.

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99634745112

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Power steering pressure line, for RHD cars.



Fits:
Porsche 986 Boxster >>2001 RHD cars
Porsche 996 Carrera >>2001 RHD cars , Rear-wheel drive
F             >> 99-4S630 356
F             >> 99-4S603 928
F             >> 99-4S642 725
Porsche 996 GT2 >> 2001 RHD cars
Porsche 996 GT3 1999-04

Click 'Zoom in' for large parts diagram.

Diagram ref no 1

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99634745231

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Power Steering Return Line, LHD.
The Genuine Porsche Power Steering Return Line 99634744911 is a replacement hydraulic line for the power-assisted steering system on compatible left-hand-drive (LHD) Porsche vehicles.

Fits:

• Porsche Boxster 986 2.7L 2002
• Porsche Boxster S 986 3.2L 2002
• Porsche Boxster 986 2.7L 2003-04
• Porsche Boxster S 986 3.2L 2003-04
• Porsche 996 C2 3.6L 02-2005
• Porsche 996 C4 3.6L 09/01-2005
• Porsche 996 C4S 3.6L 02-2005
• Porsche 996 GT2 2002-05
• Porsche 996 GT3 MKI 2002
• Porsche 996 GT3 MKII 2003>>  

Diagram Ref No 2

The return line carries power steering fluid back through the hydraulic system after it has assisted steering operation. Maintaining a sealed and unrestricted return path is essential for correct fluid circulation, consistent steering assistance and protection of the power steering pump and associated components.

As a Genuine Porsche component, this line is manufactured for the intended factory installation and is suitable for replacing an original return line that has become cracked, leaking, corroded or otherwise damaged.

What This Product Does:
A hydraulic power steering system uses pressurised fluid to reduce the amount of effort required to turn the steering wheel.

The power steering pump circulates hydraulic fluid through the system. After the fluid has performed its steering-assistance function, it must return through the system so that it can be recirculated.

The power steering return line provides this return path.

Its functions include:

• Returning hydraulic fluid through the power steering system
• Maintaining continuous power steering fluid circulation
• Helping maintain correct hydraulic system operation
• Preventing fluid from escaping from the system
• Supporting consistent steering assistance
• Helping protect the power steering pump from low-fluid operation

Although the return side generally operates at lower pressure than the main pressure supply line, it must still remain properly sealed and free from restrictions.

Symptoms Of Wear Or Failure:
Power steering lines are exposed to heat, vibration, hydraulic fluid, road contamination and ageing.

Over time, deterioration can result in leaks or restricted fluid flow.

Common symptoms include:

• Power steering fluid underneath the vehicle
• Visible fluid around the return line
• Damp or oily hose connections
• Falling power steering fluid level
• Frequent need to top up the reservoir
• Heavier steering effortIntermittent power steering assistance
  
• Whining or groaning from the power steering pump
• Foaming or aeration in the fluid reservoir
• Burning smell if fluid reaches hot components
• Visible cracking or deterioration of flexible hose sections
• Corrosion on metal sections or fittings
• Damaged or loose connections

Any unexplained loss of power steering fluid should be investigated promptly.

Why Replacement Matters:
The return line is essential for maintaining a sealed and correctly circulating hydraulic power steering system.

Replacing a damaged or leaking line helps:

• Stop power steering fluid loss
• Restore correct hydraulic fluid circulation
• Maintain consistent steering assistance
• Reduce the risk of air entering the system
• Protect the power steering pump
• Prevent fluid contamination of surrounding components
• Restore the reliability of the steering system

Because steering is a safety-critical vehicle system, known hydraulic leaks or damaged lines should be repaired promptly.

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99634744911

The product you are viewing cross references to these numbers

Power steering return line, for RHD cars



Fits:
Porsche 986 Boxster >>2001 RHD
Porsche 996 Carrera >>2001 RHD, Rear-wheel drive
F             >> 99-4S630 356
F             >> 99-4S603 928
F             >> 99-4S642 725
Porsche 996 Turbo GT2 2001 RHD
Porsche 996 GT3 >>2001 RHD

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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99634745012

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Support bracket for solid brake, clutch and power steering lines. 



Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987.1 Boxster - 2005 to 2008
Porsche 987.1 Cayman - 2005 to 2008
Porsche 996 - 1997 to 2005
Porsche 997.1 - 2005 to 2008

Diagram ref no 17

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99635554300

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Threaded joint for power steering pipes, NW10



Fits:
Porsche 996 Carrera 2000-05
F             >> 99-4S630 356
F             >> 99-4S603 928
F             >> 99-4S642 725

Porsche 996 Turbo 2001-05
F             >> 99-4S680 654
F             >> 99-4S670 658
F             >> 99-4S695 107

Porsche 996 GT3 1999-05
F             >> 99-4S691 629

Porsche 997.1 Carrera 2005-08
Porsche 986 Boxster 1997-04
Porsche 987.1 Boxster 2005-08
Porsche 987C.1 Cayman 2006-08

Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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99923055110

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Threaded joint for power steering pipes, NW6



Fits:
Porsche 996 Carrera 2000-05
F             >> 99-4S630 356
F             >> 99-4S603 928
F             >> 99-4S642 725

Porsche 996 Turbo 2001-05
F             >> 99-4S680 654
F             >> 99-4S670 658
F             >> 99-4S695 107

Porsche 996 GT3 1999-05
F             >> 99-4S691 629

Porsche 997.1 Carrera 2005-08
Porsche 986 Boxster 1997-04
Porsche 987.1 Boxster 2005-08
Porsche 987C.1 Cayman 2006-08

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

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