United States
Product overview
Genuine OEM Audi Thermostat Housing, part number 03H121121D. This component is crucial for the engine cooling system, housing the thermostat and regulating the flow of coolant. It is typically located on the engine block or cylinder head. Constructed from durable plastic, it is designed to withstand engine temperatures and pressures. Using a genuine OEM housing ensures precise fitment and proper sealing, preventing coolant leaks and maintaining engine thermal efficiency.
Catalogue entry: COVER.
Fitted with: WHT000863 seal ring.
Technical details
- Category
- Engine Cooling
- Country of origin
- Czech Republic
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 10 × 9.4 × 9 cm
- Shipping weight
- 0.11 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
18 vehiclesCover For Thermostat — locate 03H121121D Audi Thermostat Housing | Engine Cooling in the official exploded view and explore the surrounding assembly.
Parts in this assembly25
- 1Pump 03H121008K
- 2Seal Ring 03H121119
- 3Pulley 021121031D
- 4Screw N90544203
- 5Screw N10526802
- 10Housing 03H121117B
- 11Seal Ring WHT005190
- 12Seal Ring WHT000862
- 14Coolant Rg 03H121113E
- 15Seal Ring WHT000863
- 17Screw N10611201
- 18Connection 03H121133
- 19Spring 03H121142
- 20Spring 032121142
- 21Seal Ring N90316801
- 22Sender 05C919501
- 23Seal Ring 03H121041
- 24Bolt N91054101
- 25Connection 03H121131A
- 26Seal Ring 03H121041A
- 27Screw N90292903
- 28Seal Ring 095323971
- 30Connection 03H121145A
- 31Seal Ring 03H121041B
- 32Bolt N91071701
Vehicle fitment table18
Europe (11)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Touareg BlueMotion | 2014-2018 | 16 | 1 | |
| superb | 2013-2015 | 16 | 1 | |
| touareg | 2012-2014 | 16 | 1 | |
| Passat CC | 2011-2016 | 16 | 1 | |
| phaeton 4motion | 2010-2016 | 16 | 1 | |
| Passat saloon | 2010-2015 | 16 | 1 | TV0 |
| touareg | 2010-2012 | 16 | 1 | |
| superb comfort | 2008-2013 | 16 | 1 | |
| Passat CC | 2008-2012 | 16 | 1 | TH0 |
| passat estate | 2008-2011 | 16 | 1 | |
| EOS 2.0 | 2008-2010 | 16 | 1 | TV0 |
Other markets (6)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Atlas Cross Sport | 2019-2023 | 16 | 1 | |
| Atlas | 2016-2023 | 16 | 1 | |
| New Passat | 2015-2022 | 16 | 1 | |
| New Passat | 2011-2019 | 16 | 1 | |
| New Passat | 2011-2015 | 16 | 1 | |
| Magotan 1.4 | 2011-2012 | 16 | 1 |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| 3C0 platform | 16 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
03H121121D Audi Thermostat Housing | Engine Cooling is fitted on: Touareg BlueMotion 2014-2018; superb 2013-2015; touareg 2012-2014; Passat CC 2011-2016; phaeton 4motion 2010-2016; Passat saloon 2010-2015; touareg 2010-2012; superb comfort 2008-2013; Passat CC 2008-2012; passat estate 2008-2011; EOS 2.0 2008-2010; Atlas Cross Sport 2019-2023; Atlas 2016-2023; New Passat 2015-2022; New Passat 2011-2019; New Passat 2011-2015; Magotan 1.4 2011-2012; 3C0 platform.
