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Power Steering Pump. Porsche 958 Cayenne 4.2L Diesel 2010-17 › PAA422153
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAA422153
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

Reconditioned Power Steering Pump.
Porsche 986 Boxster 1998-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 Carrera 1998-05
Porsche 997 Carrera 2005-08
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
996314050X
The product you are viewing cross references to these numbers
PLEASE NOTE:
- Used parts need to be sent to us within 30 days from the date of the invoice. Returned items outside this window may be sent back to you as we work on strict return windows with our suppliers.
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 Carrera 1998-05
Porsche 997 Carrera MKI 2005-08
This product supersedes Porsche's old part numbers:
- 99631422002
- 99631422003
Click 'zoom in' for large parts diagram.
Diagram ref no 8.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99731422001
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 7.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98631422300
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
This product supersedes Porsche's old part numbers:
- 98631422501
Click 'Zoom in' for large parts diagram.
Diagram ref no 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98631422502
The product you are viewing cross references to these numbers
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