Audi / Porsche / Volkswagen Coolant / Water Pump Pulley 03H121031
OEM Part #: 03H-121-031 (03H121031)
Porsche Part #: 95510609100
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
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:
Other Water / Coolant Pump that may fit your vehicle
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Fits 2008–2018 Audi & Volkswagen
OEM: 1K0965561J
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Fits 1999–2015 Audi, Porsche + more
OEM: 3D0965561D
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Fits 2003–2006 Porsche & Volkswagen
OEM: 7L0965561E
Porsche: 95557215002
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Fits 2012–2024 Audi & Porsche
OEM: 8K0965567B
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$35.49
Fits 2003–2015 Audi, Porsche + more
OEM: 7P0965561A
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The 03H121031 coolant/water pump pulley is an essential component for your vehicle's engine cooling system, facilitating effective circulation of coolant to maintain optimal operating temperatures. Located on the front of the engine, this part is compatible with various models including the 2007-2009 Audi Q7 (3.6L V6 - Gas), and it serves to replace failing pulleys that may lead to overheating issues. Commonly referenced as a water pump pulley, it also fits several Volkswagen models such as the Atlas, Passat, and Golf, as well as Porsche Cayenne from 2004-2018. Interchangeable part numbers include 021121031D, 021121031A, and 95510603100. Ensure reliable performance with this crucial engine component.
Specifications
| Fits Vehicle Model | A3, Atlas, Atlas Cross Sport, Cayenne, CC, Corrado, Eos, Golf, Jetta, Passat, Q7, R32, Touareg, TT |
| Fits Vehicle Make | Audi, Porsche, Volkswagen |
| OEM Part No | 03H-121-031 (03H121031) |
| Porsche Part No | 95510609100 |
| Compatible OEM Part No | 021-121-031-D, 021-121-031-A, 95510603100 |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 99 vehicle configurations across 3 makes, 1992-2023.
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 99 vehicle configurations — 19 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2007 | Audi | Q7 | SUV | 3.6L V6 | |
| 2008 | Audi | A3 | Quattro Hatchback | 3.2L V6 | |
| 2008 | Audi | Q7 | SUV | 3.6L V6 | |
| 2008 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2008 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2009 | Audi | A3 | Quattro Hatchback | 3.2L V6 | |
| 2009 | Audi | Q7 | SUV | 3.6L V6 | |
| 2009 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2009 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2010 | Audi | Q7 | SUV | 3.6L V6 | |
| 2004 | Porsche | Cayenne | SUV | 3.2L V6 | |
| 2005 | Porsche | Cayenne | SUV | 3.2L V6 | |
| 2006 | Porsche | Cayenne | SUV | 3.2L V6 | |
| 2008 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2009 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2010 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2011 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2012 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2013 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2014 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2015 | Porsche | Cayenne | GTS SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2015 | Porsche | Cayenne | S SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2016 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2016 | Porsche | Cayenne | GTS SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2016 | Porsche | Cayenne | S SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2017 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2017 | Porsche | Cayenne | GTS SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2017 | Porsche | Cayenne | S SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2018 | Porsche | Cayenne | SUV | 3.6L V6 | For Vehicles with Engine Code(s) 5502, CEYA |
| 2018 | Porsche | Cayenne | GTS SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 2018 | Porsche | Cayenne | S SUV | 3.6L V6 Turbo | For Vehicles with Engine Code(s) 5502, CEYA |
| 1992 | Volkswagen | Corrado | Coupe | 2.8L V6 | |
| 1993 | Volkswagen | Corrado | Coupe | 2.8L V6 | |
| 1994 | Volkswagen | Corrado | Coupe | 2.8L V6 | |
| 1994 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 1995 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 1995 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 1996 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 1997 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 1997 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 1998 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 1998 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 1999 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 1999 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Jetta | Wagon | 2.8L V6 | |
| 2002 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Jetta | Wagon | 2.8L V6 | |
| 2003 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2005 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2006 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2006 | Volkswagen | Touareg | SUV | 3.2L V6 | For Vehicles with Engine Code(s) BMX |
| 2007 | Volkswagen | Eos | 2 Convertible | 3.2L V6 | |
| 2007 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2007 | Volkswagen | Passat | Wagon | 3.6L V6 | |
| 2007 | Volkswagen | Touareg | SUV | 3.6L V6 | For Vehicles with Engine Code(s) BHK |
| 2008 | Volkswagen | Eos | Convertible | 3.2L V6 | |
| 2008 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2008 | Volkswagen | Passat | Wagon | 3.6L V6 | |
| 2008 | Volkswagen | R32 | Hatchback | 3.2L V6 | |
| 2008 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2009 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | |
| 2009 | Volkswagen | CC | Sedan | 3.6L V6 | |
| 2009 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2010 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | |
| 2010 | Volkswagen | CC | Sedan | 3.6L V6 | |
| 2010 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2011 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | |
| 2011 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2012 | Volkswagen | CC | Sedan | 3.6L V6 | |
| 2012 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2012 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2013 | Volkswagen | CC | Sedan | 3.6L V6 | |
| 2013 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | |
| 2013 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2013 | Volkswagen | Touareg | SUV | 3.6L V6 | For Vehicles with Engine Code(s) CGRA |
| 2014 | Volkswagen | CC | 4 Sedan | 3.6L V6 | |
| 2014 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2014 | Volkswagen | Touareg | SUV | 3.6L V6 | For Vehicles with Engine Code(s) CGRA |
| 2015 | Volkswagen | CC | 4 Sedan | 3.6L V6 | |
| 2015 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2015 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2016 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | |
| 2016 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2016 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2017 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2017 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2018 | Volkswagen | Atlas | SUV | 3.6L V6 | |
| 2018 | Volkswagen | Passat | GT Sedan | 3.6L V6 | |
| 2018 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2019 | Volkswagen | Atlas | SUV | 3.6L V6 | |
| 2020 | Volkswagen | Atlas | SUV | 3.6L V6 | |
| 2020 | Volkswagen | Atlas Cross Sport | SUV | 3.6L V6 | |
| 2021 | Volkswagen | Atlas Cross Sport | SUV | 3.6L V6 | |
| 2022 | Volkswagen | Atlas Cross Sport | SUV | 3.6L V6 | |
| 2023 | Volkswagen | Atlas Cross Sport | SUV | 3.6L V6 |