Steering Parts

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 fluid.  1 Litre

Pentosin Hydraulic System Fluid



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00004330574

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Power Steering Oil Cooler Return Hose / Line
The Genuine Porsche 95834796301 power steering oil cooler return hose / line is an OE hydraulic steering return line for selected Porsche 958 Cayenne 2011–2018 models, excluding Hybrid applications. It returns power steering fluid through the oil cooler circuit, helping maintain correct steering assistance, fluid flow and system reliability. Ideal for replacing a leaking, cracked or damaged original return hose with Genuine Porsche quality.

Fits:
Porsche 958 Cayenne 3.6L 2011 - 2018
Porsche 958 Cayenne 3.0L Diesel 2011 - 2018
Porsche 958 Cayenne S / GTS 4.8L 2011 - 2018
Porsche 958 Cayenne Turbo 4.8L  2011 - 2018
* not for Hybrid models 

Diagram ref no 24

This line is used in the power steering / lines / oil cooler system on selected Porsche Cayenne 958 models.

What This Part Does / Functions
• Returns power steering fluid through the hydraulic steering circuit
•  Connects into the power steering oil cooler line system
•  Helps maintain correct steering fluid flow
•  Supports stable power steering performance
•  Helps control power steering fluid temperature
•  Replaces a leaking, damaged, cracked or corroded original return hose
•  Provides correct OE Porsche routing, connection points and fitment
•  Supports smooth steering operation and reliable hydraulic system function.

Why Replace This Part?
Power steering return hoses are exposed to hydraulic fluid, heat, pressure changes, vibration, road debris and age-related wear. Over time, the hose or line connections can crack, corrode, soften, leak or become damaged. A failing return hose can cause power steering fluid loss, whining or groaning noises, heavier steering, fluid residue around the hose area or steering system faults. Replacing it with a Genuine Porsche OE power steering return hose helps restore correct fluid routing and factory fitment.

Common Symptoms of a Faulty Power Steering Return Hose
•  Power steering fluid leaks
•  Low power steering fluid level
•  Whining or groaning noise when turning the steering wheel
•  Heavier steering feel or increased steering effort
•  Fluid residue around the steering line or oil cooler area
•  Air entering the power steering system
•  Steering system vibration or inconsistent assistance
•  Visible damage, corrosion or cracking on the hose / line.

When to Replace This Part
•  If power steering fluid is leaking from the return hose
•  If the hose is cracked, swollen, corroded or damaged
•  If steering noise is traced to fluid loss or air in the system
•  During power steering oil cooler replacement
•  During steering rack, steering pump or hydraulic line repairs
•  If the line fittings are damaged or no longer seal correctly
•  After front-end impact or damage near the steering cooler pipework
•  When restoring the steering system with Genuine Porsche OE parts.

Where It Fits on the Car
This hose fits in the power steering hydraulic return circuit, connected to the power steering oil cooler / return line system. It is part of the steering fluid pipework used to return fluid through the system after it has circulated through the steering components.

Correct routing and secure connection are important to prevent leaks and ensure smooth power steering operation.

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95834796301

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Power steering oil fluid cooler.

Fits:
Cars without PDCC,
Cars with 8-speed auto transmission for all-wheel drive
Porsche 958 Cayenne 3.0L / 3.6L >>2014
Porsche 958 Cayenne 3.0L / 4.2L Diesel >>2014
Porsche 958 Cayenne S 4.8L >>2014

Cars without PDCC
Porsche 958 Cayenne 3.0L 2014 - 2018
Porsche 958 Cayenne 3.0L / 4.2L TDI 2014 - 2018

Cars with Anti-roll bar (front/rear) and PDCC
Porsche 958 Cayenne 3.6L 2014 - 2018
Porsche 958 Cayenne 3.0L Diesel 2014 - 2018

Cars with Anti-roll bar (front/rear) and PDCC,
Cars with 8-speed auto transmission for all-wheel drive
Porsche 958 Cayenne 3.6L 2014 - 2018

Diagram ref no 19

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95834706900

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Power steering oil fluid cooler.
This OE Match power steering oil fluid cooler is direct-fit replacement cooler for Porsche 958 Cayenne, designed to regulate power steering fluid temperature for consistent system performance and component longevity.

Fits:
Cars without PDCC,
Cars with 8-speed auto transmission for all-wheel drive
Porsche 958 Cayenne 3.0L / 3.6L >>2014
Porsche 958 Cayenne 3.0L / 4.2L Diesel >>2014
Porsche 958 Cayenne S 4.8L >>2014

Cars without PDCC
Porsche 958 Cayenne 3.0L 2014 - 2018
Porsche 958 Cayenne 3.0L / 4.2L TDI 2014 - 2018

Cars with Anti-roll bar (front/rear) and PDCC
Porsche 958 Cayenne 3.6L 2014 - 2018
Porsche 958 Cayenne 3.0L Diesel 2014 - 2018

Cars with Anti-roll bar (front/rear) and PDCC,
Cars with 8-speed auto transmission for all-wheel drive
Porsche 958 Cayenne 3.6L 2014 - 2018

Diagram ref no 19

This OE Match power steering oil fluid cooler is manufactured to OE-equivalent standards, it installs in place of the original cooler with correct mounting and hose interfaces, making it ideal for replacement during power steering servicing, leak repair, or chassis work that disturbs the front cooling area.

The power steering oil fluid cooler helps control fluid temperature within the power steering system by transferring heat from the oil to the surrounding airflow. By lowering fluid temperature under load, it supports consistent steering feel, reduces fluid oxidation, and protects internal seals and bearings from premature wear.

Function
• Dissipates heat from circulating power steering fluid
• Maintains consistent fluid temperature for reliable steering performance
• Helps prevent fluid breakdown and seal deterioration

Over time, power steering coolers can clog, corrode, or leak due to heat cycling, road debris, and fluid contamination. A compromised cooler can lead to high steering fluid temperatures, reduced steering responsiveness, fluid foaming, and accelerated wear of steering components. Installing an OE Match power steering oil fluid cooler helps maintain steady fluid temperature, prolongs component life, and preserves smooth, predictable steering feel.

When to replace:
•  Visible fluid leaks from the cooler core or hose connections
•  Power steering fluid overheating or foaming
•  Noticeable loss of steering assist under load
•  During power steering pump or hose replacement
•  After front-end impact or cooling circuit work

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95834706900

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Power steering oil fluid cooler.

Fits:
Cars without PDCC,
Cars with 8-speed auto transmission for all-wheel drive
Porsche 958 Cayenne 3.0L / 3.6L >>2014
Porsche 958 Cayenne 3.0L / 4.2L Diesel >>2014
Porsche 958 Cayenne S 4.8L >>2014

Cars without PDCC
Porsche 958 Cayenne 3.0L 2014-18
Porsche 958 Cayenne 3.0L / 4.2L TDI 2014-18

Cars with Anti-roll bar (front/rear) and PDCC
Porsche 958 Cayenne 3.6L 2014-18
Porsche 958 Cayenne 3.0L Diesel 2014-18

Cars with Anti-roll bar (front/rear) and PDCC,
Cars with 8-speed auto transmission for all-wheel drive
Porsche 958 Cayenne 3.6L 2014-18

Diagram ref no 19

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95834706920

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Power Steering Pump.

The Power Steering Pump is a vital steering system component designed to generate the hydraulic pressure required for the vehicle’s power-assisted steering system. Driven by the engine, the pump circulates power steering fluid through the steering rack, significantly reducing steering effort and providing smooth, precise control during manoeuvring, parking, and everyday driving.

Fits:

• Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17  

Diagram Ref No 12

Manufactured to OEM-quality standards, the power steering pump is engineered for reliable hydraulic pressure delivery, consistent steering feel, and long-term durability. It plays a critical role in maintaining vehicle handling, steering responsiveness, and driver comfort across all driving conditions.

What This Product Does:

• Generates hydraulic pressure for the power steering system
• Circulates power steering fluid through the steering rack
• Reduces steering effort during low-speed manoeuvres
• Provides smooth and responsive steering assistance
• Supports precise vehicle handling and control
• Maintains consistent steering performance at all speeds

Symptoms Of Wear Or Failure:

• Heavy or stiff steering feel
• Whining, groaning, or squealing noises when turning
• Power steering fluid leaks
• Intermittent or inconsistent steering assistance
• Steering wheel vibration during operation
• Foaming or discoloured power steering fluid
• Reduced steering responsiveness
• Visible wear or damage to the pump assembly

Why Replacement Matters:

• Restores proper hydraulic steering assistance
• Improves steering precision and responsiveness
• Reduces driver effort during parking and manoeuvring
• Eliminates pump-related noise and performance issues
• Helps prevent damage to the steering rack and hydraulic system
• Maintains safe handling and vehicle control
• Supports reliable operation of the power steering system
• Ensures long-term driving comfort, confidence, and steering performance

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PAA422153

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Power Steering Pump.

The BOSCH Power Steering Pump is a vital steering system component designed to generate the hydraulic pressure required for the vehicle’s power-assisted steering system. Driven by the engine, the pump circulates power steering fluid through the steering rack, significantly reducing steering effort and providing smooth, precise control during manoeuvring, parking, and everyday driving.

Fits:

• Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17  

Diagram Ref No 12

The BOSCH power steering pump is engineered for reliable hydraulic pressure delivery, consistent steering feel, and long-term durability. It plays a critical role in maintaining vehicle handling, steering responsiveness, and driver comfort across all driving conditions.

What This Product Does:

• Generates hydraulic pressure for the power steering system
• Circulates power steering fluid through the steering rack
• Reduces steering effort during low-speed manoeuvres
• Provides smooth and responsive steering assistance
• Supports precise vehicle handling and control
• Maintains consistent steering performance at all speeds

Symptoms Of Wear Or Failure:

• Heavy or stiff steering feel
• Whining, groaning, or squealing noises when turning
• Power steering fluid leaks
• Intermittent or inconsistent steering assistance
• Steering wheel vibration during operation
• Foaming or discoloured power steering fluid
• Reduced steering responsiveness
• Visible wear or damage to the pump assembly

Why Replacement Matters:

• Restores proper hydraulic steering assistance
• Improves steering precision and responsiveness
• Reduces driver effort during parking and manoeuvring
• Eliminates pump-related noise and performance issues
• Helps prevent damage to the steering rack and hydraulic system
• Maintains safe handling and vehicle control
• Supports reliable operation of the power steering system
• Ensures long-term driving comfort, confidence, and steering performance

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PAA422153

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Power steering return line steering rack to oil cooler - RHD (Right Hand Drive)



Fits:
Porsche 958 Cayenne - 2010 to 2017
Not for Hybrid

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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Front steering knuckle / Pivot bearing / Swivel mounting
OE Match front steering knuckles, engineered as direct-fit replacements for the original Porsche components used on the Porsche Cayenne 958. These knuckles replicate the original geometry, mounting points, and load-bearing characteristics required for correct suspension and steering operation.

Fits:
Porsche 958 Cayenne 2010 - 2018

Diagram ref no 1

The steering knuckle connects the wheel assembly to the suspension and steering system, transmitting vertical loads, steering forces, and braking torque between the road and the vehicle chassis. Correct knuckle geometry ensures stable handling, predictable steering response, and even tyre wear.

Installed at the front axle, the OE Match steering knuckle acts as the structural pivot for the wheel hub and steering assembly. It maintains correct camber, caster, and toe relationships by holding all related components in precise alignment, ensuring safe and consistent driving characteristics across a wide range of conditions.

Steering knuckles are critical structural components subjected to high loads and impacts. Damage or deformation can result in poor alignment, unstable handling, vibration, and accelerated tyre or suspension wear. Replacing a compromised knuckle with an OE Match component restores correct suspension geometry and steering accuracy.

When to replace the steering knuckle:
•  After collision or kerb impact damage
•  Visible cracks, bends, or corrosion
•  Persistent alignment issues that cannot be corrected
•  Uneven or excessive tyre wear
•  During major front suspension or hub replacement

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Front steering knuckle / Pivot bearing / Swivel mounting
Genuine Porsche Original Equipment (OE) front steering knuckles, designed for the Porsche Cayenne 958 platform. These components act as the central structural hub of the front suspension, supporting the wheel hub and providing precise mounting points for suspension, steering, and braking components.

Fits:
Porsche 958 Cayenne 2010 - 2018

Diagram ref no 1

The steering knuckle connects the wheel hub to the suspension and steering system, allowing the wheel to rotate and steer while maintaining precise alignment. It transmits road, braking, and steering forces safely between the wheel assembly and chassis, ensuring predictable handling and stable vehicle dynamics.

Mounted at the front axle, the steering knuckle serves as the central attachment point for:
•  Wheel hub and bearing assembly
•  Upper and lower control arms
•  Steering tie rod
•  Brake caliper and disc
Its rigid structure keeps all components correctly aligned under load, supporting smooth steering response, effective braking, and even tyre wear across varying driving conditions.

A damaged or deformed steering knuckle can compromise wheel alignment, steering precision, braking stability, and tyre life. Even minor distortion from impacts or corrosion can lead to handling issues and accelerated wear of suspension components. Replacing steering knuckle restores factory-correct geometry, structural integrity, and safety - ensuring the vehicle performs exactly as Porsche intended.

When to replace the steering knuckle:
•  After collision or kerb impact damage
•  Visible cracks, bends, or corrosion
•  Persistent alignment issues that cannot be corrected
•  Uneven or excessive tyre wear
•  During major front suspension or hub replacement

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Steering Rack Boot Clamp (crimp-type or “ear clamp”)
The Genuine Porsche N10551701 Boot Clamp is the factory clamp used to secure the steering rack bellows / rack boot to the rack housing or tie rod housing. This clamp ensures the boot is sealed tightly, keeping dirt, water, and debris out of the rack assembly and protecting internal steering components.
Sold each, 2 required per vehicle.

Fits:
Porsche Cayenne 955 2003 - 2006
Porsche Cayenne 957 2007 - 2010
Porsche Cayenne 958 2011 - 2017

Diagram ref no 3

•  Position: Around the boot (bellows) of the steering rack / inner tie rod connection
•  Function: Secures the rubber boot to the housing, maintaining a protective seal to prevent ingress of contaminants

The original clamp can lose tension, corrode, or break over time, leading to:
• Loose or leaking rack boots
• Entry of dirt, water, and debris into the rack
• Premature wear or damage to inner steering rack components

Replace the clamp when installing a new rack boot, after steering rack maintenance, or anytime a clamp looks old, stretched, or corroded. A new Genuine Porsche N10551701 clamp restores a secure, factory-level seal for reliable steering protection.

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Steering rack boot O-ring.
The Genuine Porsche N90180902 O-Ring is the factory-specified sealing ring used on the steering rack boot (bellows) in Porsche Cayenne models. This factory seal ensures a tight, durable fit between the rack and boot — preserving smooth, leak-free steering operation.
Sold each, 2 required per vehicle.

Fits:
Porsche Cayenne 955 2003 - 2006
Porsche Cayenne 957 2007 - 2010
Porsche Cayenne 958 2011 - 2017

Diagram ref no 4

•  Position: Between steering rack housing and boot (bellows)
•  Function: Seals the interface to prevent fluid leaks and protect internal rack components

The O-ring can harden, flatten, or crack over time due to heat, fluid exposure, or age.

Replacement is recommended when:
•  Replacing or refitting steering rack boots
•  Servicing the steering rack or tie rod assemblies
•  Evidence of moisture, fluid seepage, or debris inside the bellows

Replacing with a Genuine Porsche N90180902 O-Ring ensures proper sealing, preventing premature wear or corrosion of internal steering components.

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N90180902

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Steering rack. Porsche Cayenne 958 RHD



Fits:
Porsche Cayenne 958 MKIII

L0R Right-hand drive version

0K0 Without alternative drive system

1N1 Power steering 

- Right Hand Drive Cars (like UK)

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