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Porsche // 924 (1977-1988) // Any
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- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Power Steering Pressure Hose – Left Hand Drive (LHD)
OE Match replacement power steering pressure hose for
left-hand-drive Porsche Cayenne 955 models equipped with the 4.5-litre V8
engine.
Fits:
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Diagram ref no 1
This high-pressure hydraulic hose is designed to carry pressurised power steering fluid between components of the steering system, helping maintain smooth, responsive steering assistance.
Manufactured as an original-style replacement, it is ideal for repairing leaking, deteriorated or damaged power steering hoses and restoring reliable hydraulic steering operation.
What Does the Power Steering Pressure Hose Do?
The pressure hose carries hydraulic fluid under high pressure from the power steering pump towards the steering rack.
This hydraulic pressure provides steering assistance, reducing the effort required to turn the steering wheel, particularly when parking or manoeuvring at low speeds.
Why Does It Fail?
Over time, exposure to engine heat, vibration and hydraulic pressure can cause the hose and its connections to deteriorate.
Common problems include:
- Cracked or hardened rubber hose sections
- Leaks around crimped fittings or connections
- Corrosion of metal pipe sections
- Damage caused by vibration or contact with nearby components
- Fluid loss resulting from ageing seals or fittings
When Should It Be Replaced?
Replacement is recommended if you experience:
- Visible power steering fluid leaks
- Falling power steering fluid levels
- Heavy or inconsistent steering assistance
- Whining noises from the power steering pump
- Cracked, swollen or damaged hose sections
Inspect the pump, reservoir, steering rack and associated connections before replacement to identify the source of any leak.
For left-hand-drive vehicles only.
Fitment may vary according to engine specification and steering system configuration. Confirm compatibility using the original part number or vehicle VIN before ordering.
Installation Notes
Power steering hoses must be installed with the correct routing and fittings to prevent leaks, rubbing or damage.
Following installation, refill the system with the Porsche-specified hydraulic fluid, bleed the steering system correctly and check all connections for leaks.
Porsche Cayenne 955 Power Steering Hoses & Hydraulic Steering Parts
The hydraulic power steering system fitted to the Porsche Cayenne 955 relies on high-pressure hoses to deliver fluid between the steering pump and steering rack.
Ageing hoses can develop cracks, leaks or damaged fittings, resulting in fluid loss, increased steering effort and potential damage to the power steering pump.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95534745101
The product you are viewing cross references to these numbers
- 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
Fits:
For cars (M657) with power assisted steering
For LHD Cars
Porsche 924S 1986-88
Porsche 944 1985-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 29.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94434744703
The product you are viewing cross references to these numbers
- 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
Power steering Pressure Line
Genuine Porsche power steering pressure line for right-hand-drive Porsche 924S, 944 and 968 models. Suitable for vehicles equipped with power-assisted steering, option code M657.
Fits
Right-hand-drive vehicles only, with M657 power-assisted steering
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991
Porsche 968 1992 - 1995
Diagram ref no 43
What This Product Does
The pressure line carries hydraulic fluid within the power-assisted steering circuit. It provides the fluid path needed for hydraulic steering assistance; it is not a return line or a steering-fluid cooler.
Functions
- Transfers pressurised steering fluid.
- Connects components within the hydraulic steering circuit.
- Supports the operation of power-assisted steering.
Technical Details
- Brand: Genuine Porsche.
- Part number: 94534744702.
- Component: power steering pressure line.
- Drive configuration: Right Hand Drive (RHD).
- Equipment requirement: M657 power-assisted steering.
- Internal diagram application: Porsche 968 1992–95, power steering, vane-type pump and lines.
Symptoms of Fault
Potential signs include fluid escaping from the line or its connections, damp sections, corrosion and seepage around crimped joints. Falling fluid levels may also accompany heavier steering or pump whining. These symptoms can have other causes, so inspect the hydraulic system before deciding which component needs replacement.
Why Replacement Matters
Renewing a leaking or deteriorated pressure line addresses fluid loss and helps restore correct hydraulic operation. Selecting the specified RHD component is important for matching the vehicle’s routing and connections. Inspect neighbouring hoses and seals during the repair rather than assuming the pressure line is the only source of leakage.
FAQs
Should other hoses be renewed at the same time?
Inspect them for ageing, dampness and deterioration. Replace any additional hoses found to be defective.
Should the system be flushed?
Flushing is recommended when the existing fluid is contaminated. Follow the applicable Porsche service procedure.
What should be checked during installation?
Use the correct sealing washers or O-rings where required, and avoid twisting the hose when securing its connections.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94534744703
The product you are viewing cross references to these numbers
- 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 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
Fits:
Porsche 924 S 1986-88 Cars with Power assist steering (M657) * Requires a Fitting to update and re-route from original hose (part no 99923035701).
Porsche 944 1985-88 Cars with Power assist steering (M657) * Requires a Fitting to update and re-route from original hose (part no 99923035701).
Porsche 944 1989-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94434744506
The product you are viewing cross references to these numbers
- 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 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
The OE Match Power Steering Suction Hose is a replacement hydraulic hose designed to carry power-steering fluid from the reservoir to the inlet side of the power-steering pump on selected Porsche 924S, 944 and 968 models.
Fits:- Porsche 924 S 1986-88 Cars with Power assist steering (M657) Requires a Fitting to update and re-route from original hose (part no 99923035701).
- Porsche 944 1985-88 Cars with Power assist steering (M657) Requires a Fitting to update and re-route from original hose (part no 99923035701).
- Porsche 944 1989-91
- Porsche 968 1992-95
Diagram Ref No 26
This hose forms part of the low-pressure or suction side of the hydraulic steering circuit.
Unlike the high-pressure line that carries pressurised fluid from the pump towards the steering rack, this hose supplies the pump with a continuous flow of fluid from the reservoir.
Its condition is therefore extremely important to the health of the complete hydraulic steering system.
The hose must remain:
- Flexible.
- Internally unobstructed.
- Properly sealed.
- Correctly routed.
- Securely connected.
As these vehicles age, the original rubber hose can harden, crack, soften, swell or begin leaking around its ends.
A deteriorated suction hose can also allow air to enter the hydraulic system even when there is little or no visible external fluid leak.
Air entering the pump can cause whining, fluid aeration, inconsistent power assistance and potentially premature pump wear.
Replacing a deteriorated suction hose restores a secure fluid path between the reservoir and pump and helps maintain reliable hydraulic steering assistance.
What This Product Does:
The Power Steering Suction Hose carries hydraulic fluid from the power-steering reservoir to the inlet of the power-steering pump.
Its main functions are to:
- Supply power-steering fluid to the pump.
- Maintain an unrestricted hydraulic-fluid path.
- Keep the pump inlet sealed from outside air.
- Prevent loss of hydraulic fluid.
- Help prevent pump cavitation.
- Support consistent steering assistance.
- Maintain proper circulation through the power-steering system.
- Replace an aged, cracked or leaking original hose.
Symptoms Of Wear Or Failure:
Common symptoms include:
- Power-steering fluid leaking around the hose.
- Damp or oily hose surface.
- Low reservoir fluid level.
- Power-steering pump whining.
- Groaning during steering.
- Foamy or aerated fluid in the reservoir.
- Bubbles visible in the reservoir.
- Heavy steering.
- Intermittent steering assistance.
- Hose visibly cracked.
- Hose hardened with age.
- Hose swollen or softened.
- Fluid seepage around clamps or connections.
- Pump noise particularly when cold.
- Steering noise when turning at low speed.
Why Replacement Matters:
Replacing a deteriorated Power Steering Suction Hose helps restore:
- Reliable hydraulic-fluid supply.
- Airtight pump inlet sealing.
- Correct fluid circulation.
- Consistent steering assistance.
- Reduced pump noise.
- Reduced fluid leakage.
- Reduced risk of pump cavitation.
- Long-term hydraulic system reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94434744506
The product you are viewing cross references to these numbers