Porsche 911/Boxster/Cayman Power Steering Pump 99631405002
Porsche Part #: 996-314-050-02 (99631405002)
This page covers one exact OEM part number. Every unit we stocked has sold.
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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
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Power Steering Pump, OEM Part Number 99631405002, for various Porsche models including 911 (1999-2008), Cayman (2006-2008), and Boxster (1997-2008). This vane pump is located on the front of the vehicle and is crucial for providing hydraulic assistance to the steering system, enhancing driver control and comfort. Common issues addressed include reduced steering responsiveness and fluid leaks from a worn or damaged pump. Compatible with multiple engine configurations, including the 3.6L and 3.8L H6 in the 911. Interchangeable with part numbers 99631405003, 99614722371, and more. Ideal for restoring optimal steering performance to your Porsche.
Specifications
| Fits Vehicle Model | 911, Boxster, Cayman |
| Fits Vehicle Make | Porsche |
| Porsche Part No | 996-314-050-02 (99631405002) |
| Category | Steering |
Compatible Vehicles
Fits 117 vehicle configurations across 1 make, 1997-2008.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 117 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 1997 | Porsche | Boxster | Convertible | 2.5L | |
| 1998 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 1998 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 1998 | Porsche | 911 | Carrera 4S Coupe | 3.6L | |
| 1998 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 1998 | Porsche | 911 | Carrera S Coupe | 3.6L | |
| 1998 | Porsche | 911 | Targa | 3.6L | |
| 1998 | Porsche | Boxster | Convertible | 2.5L | |
| 1999 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 1999 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 1999 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 1999 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 1999 | Porsche | Boxster | Convertible | 2.5L | |
| 2000 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 2000 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 2000 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2000 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2000 | Porsche | Boxster | Roadster Convertible | 2.7L | |
| 2000 | Porsche | Boxster | Roadster S Convertible | 3.2L | |
| 2001 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 2001 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 2001 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2001 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2001 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2001 | Porsche | Boxster | Roadster Convertible | 2.7L | |
| 2001 | Porsche | Boxster | Roadster S Convertible | 3.2L | |
| 2002 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2002 | Porsche | 911 | Carrera 4S Coupe | 3.6L | |
| 2002 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2002 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2002 | Porsche | 911 | GT2 Coupe | 3.6L Turbo | |
| 2002 | Porsche | 911 | Targa | 3.6L | |
| 2002 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2002 | Porsche | Boxster | Roadster Convertible | 2.7L | |
| 2002 | Porsche | Boxster | Roadster S Convertible | 3.2L | |
| 2003 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2003 | Porsche | 911 | Carrera 4S Coupe | 3.6L | |
| 2003 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2003 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2003 | Porsche | 911 | GT2 Coupe | 3.6L Turbo | |
| 2003 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2003 | Porsche | Boxster | Roadster Convertible | 2.7L | |
| 2003 | Porsche | Boxster | Roadster S Convertible | 3.2L | |
| 2004 | Porsche | 911 | Coupe | 3.6L | |
| 2004 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2004 | Porsche | 911 | Carrera 4S Convertible | 3.6L | |
| 2004 | Porsche | 911 | Carrera 4S Coupe | 3.6L | |
| 2004 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2004 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2004 | Porsche | 911 | GT2 Coupe | 3.6L Turbo | |
| 2004 | Porsche | 911 | GT3 Coupe | 3.6L | |
| 2004 | Porsche | 911 | Turbo Convertible | 3.6L Turbo | |
| 2004 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2004 | Porsche | Boxster | Convertible | 2.7L | |
| 2004 | Porsche | Boxster | S Convertible | 3.2L | |
| 2005 | Porsche | 911 | Carrera 4S Convertible | 3.6L | |
| 2005 | Porsche | 911 | Carrera 4S Coupe | 3.6L | |
| 2005 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2005 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2005 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2005 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2005 | Porsche | 911 | GT2 Coupe | 3.6L Turbo | |
| 2005 | Porsche | 911 | GT3 Coupe | 3.6L | |
| 2005 | Porsche | 911 | Turbo Convertible | 3.6L Turbo | |
| 2005 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2005 | Porsche | 911 | Turbo S Convertible | 3.6L Turbo | |
| 2005 | Porsche | 911 | Turbo S Coupe | 3.6L Turbo | |
| 2005 | Porsche | Boxster | Convertible | 2.7L | |
| 2005 | Porsche | Boxster | S Convertible | 3.2L | |
| 2006 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2006 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2006 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2006 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2006 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2006 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2006 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2006 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2006 | Porsche | Boxster | Convertible | 2.7L | |
| 2006 | Porsche | Boxster | S Convertible | 3.2L | |
| 2006 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2007 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2007 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2007 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2007 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2007 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2007 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2007 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2007 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2007 | Porsche | 911 | GT3 Coupe | 3.6L | |
| 2007 | Porsche | 911 | GT3 RS Coupe | 3.6L | |
| 2007 | Porsche | 911 | Targa 4S | 3.8L | |
| 2007 | Porsche | 911 | Targa 4 | 3.6L | |
| 2007 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2007 | Porsche | Boxster | Convertible | 2.7L | |
| 2007 | Porsche | Boxster | S Convertible | 3.4L | |
| 2007 | Porsche | Cayman | Hatchback | 2.7L | |
| 2007 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2008 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2008 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2008 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2008 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2008 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2008 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2008 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2008 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2008 | Porsche | 911 | GT2 Coupe | 3.6L Turbo | |
| 2008 | Porsche | 911 | GT3 Coupe | 3.6L | |
| 2008 | Porsche | 911 | GT3 RS Coupe | 3.6L | |
| 2008 | Porsche | 911 | Targa 4S | 3.8L | |
| 2008 | Porsche | 911 | Targa 4 | 3.6L | |
| 2008 | Porsche | 911 | Turbo Convertible | 3.6L Turbo | |
| 2008 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2008 | Porsche | Boxster | Convertible | 2.7L | |
| 2008 | Porsche | Boxster | RS 60 Spyder Convertible | 3.4L | |
| 2008 | Porsche | Boxster | S Convertible | 3.4L | |
| 2008 | Porsche | Cayman | Hatchback | 2.7L | |
| 2008 | Porsche | Cayman | S Hatchback | 3.4L |