Audi / Porsche / Volkswagen Thermostat Housing 03H121026A
OEM Part #: 03H-121-026-A (03H121026A)
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 Thermostat Housing that may fit your vehicle
2.0 Thermostat Assembly
Starting at $8.50
Fits 2005–2011 Audi & Volkswagen
OEM: 06F121111F
Coolant / Water Pump Assembly
$49.99
Fits 2008–2018 Audi & Volkswagen
OEM: 06H121026BA
Coolant / Water Pump Housing
Starting at $32.49
Fits 2008–2018 Audi & Volkswagen
OEM: 06H121026DD
Coolant Thermostat Housing
$19.99
Fits 2004–2011 Audi & Volkswagen
OEM: 079121012D
Thermostat Housing
$99.99
Fits 2010–2023 Porsche & Volkswagen
OEM: 03H121117B
Porsche: 95810606000
Thermostat Housing
$15.49
Fits 2009–2015 Audi & Volkswagen
OEM: 059121111R
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | Cayenne, CC, Passat, Q7, Touareg |
| Fits Vehicle Make | Audi, Porsche, Volkswagen |
| OEM Part No | 03H-121-026-A (03H121026A) |
| Compatible OEM Part No | 03H-121-117-A |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 21 vehicle configurations across 3 makes, 2007-2011.
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 21 vehicle configurations — 8 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2007 | Audi | Q7 | SUV | 3.6L V6 | |
| 2008 | Audi | Q7 | SUV | 3.6L V6 | |
| 2009 | Audi | Q7 | SUV | 3.6L V6 | |
| 2010 | Audi | Q7 | SUV | 3.6L V6 | |
| 2008 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2009 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2010 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2007 | Volkswagen | Passat | Sedan | 3.6L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 120001 |
| 2007 | Volkswagen | Passat | Wagon | 3.6L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 120001 |
| 2007 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2008 | Volkswagen | Passat | Sedan | 3.6L V6 | |
| 2008 | Volkswagen | Passat | Wagon | 3.6L V6 | |
| 2008 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2009 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | For Vehicles With Production date Up To 08/01/10 |
| 2009 | Volkswagen | CC | Sedan | 3.6L V6 | For Vehicles With Production date Up To 08/01/10 |
| 2009 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2010 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | For Vehicles With Production date Up To 08/01/10 |
| 2010 | Volkswagen | CC | Sedan | 3.6L V6 | For Vehicles With Production date Up To 08/01/10 |
| 2010 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2011 | Volkswagen | CC | 4Motion Sedan | 3.6L V6 | For Vehicles With Production date Up To 08/01/10 |
| 2011 | Volkswagen | Touareg | SUV | 3.6L V6 | For Vehicles With Production date Up To 08/01/10 |