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Number 4 marks the part’s position in the exploded view.
Product overview
Genuine OEM Audi Coolant Regulator Housing With Thermostat, part number 057121111C. This essential engine cooling component houses the thermostat and precisely regulates the flow of coolant through the engine. It is critical for maintaining the engine's optimal operating temperature, preventing both overheating and undercooling. Weighing 0.329 kg and measuring 0.125 m in length, this assembly is engineered for exact fitment and thermal performance. Choosing a genuine OEM housing ensures correct material integrity, sealing surfaces, and thermostat calibration for reliable engine temperature management.
Catalogue entry: HOUSING.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 90321080
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 12.5 × 8.5 × 12 cm
- Shipping weight
- 0.33 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
6 vehiclesHousing — locate 057121111C Audi Coolant Regulator Housing | OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly12
Compatible / alternative parts(2)
Vehicle fitment table6
Europe (6)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Touareg BlueMotion | 2014-2018 | 4 | 1 |
| Audi A8L qu. 3.0 TDI | 2013-2018 | 4 | 1 |
| touareg | 2012-2014 | 4 | 1 |
| touareg | 2010-2012 | 4 | 1 |
| Audi Q7 qu. 3.0 TDI | 2009-2015 | 4 | |
| Audi A8L qu. 3.0 TDI | 2009-2014 | 4 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
057121111C Audi Coolant Regulator Housing | OEM is fitted on: Touareg BlueMotion 2014-2018; Audi A8L qu. 3.0 TDI 2013-2018; touareg 2012-2014; touareg 2010-2012; Audi Q7 qu. 3.0 TDI 2009-2015; Audi A8L qu. 3.0 TDI 2009-2014.
