United States
Product overview
Genuine OEM Audi Coolant Thermostat, part number 06B121111K. This essential component is responsible for regulating the engine's coolant temperature, ensuring the engine operates within its optimal thermal range. It manages the flow of coolant between the engine and the radiator. Constructed from durable plastic, this thermostat weighs approximately 0.51 kg and measures 0.16 meters in length. Installing a genuine OEM thermostat guarantees accurate temperature sensing, reliable valve operation, and proper sealing, which are vital for preventing engine overheating or undercooling and maintaining fuel efficiency.
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)
- 16 × 13.5 × 9 cm
- Shipping weight
- 0.51 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
9 vehiclesCoolant Regulator — locate 06B121111K Audi Coolant Thermostat | Engine Temperature Regulator in the official exploded view and explore the surrounding assembly.
Parts in this assembly6
Vehicle fitment table9
Europe (7)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A4/S4 Cabrio./qu. 07> | 2006- | 1 | 1 | BFB | T0L |
| Audi A4/S4/Av./qu. 05> | 2005- | 1 | 1 | BFB,ALT | T0F |
| Audi A4/S4 Cabrio./qu. | 2002-2006 | 1 | 1 | T0L | |
| PASSAT/4MOTION/W8 | 2002-2005 | 1 | 1 | MW2 | |
| Audi A4/S4/Av./qu. | 2001-2004 | 1 | 1 | AVJ,ALT,AMB, | |
| Audi A6/Wagon/quattro | 2001-2004 | 1 | 1 | T0F | |
| Passat/4Motion/W8 | 2000-2002 | 1 | 1 | MW2 |
Other markets (2)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| AUDI A4 "CN."06> | 2005- | 1 | 1 | BKB | |
| AUDI A4/AV./QU. "CN"03>05 | 2003-2005 | 1 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
06B121111K Audi Coolant Thermostat | Engine Temperature Regulator is fitted on: Audi A4/S4 Cabrio./qu. 07> 2006-; Audi A4/S4/Av./qu. 05> 2005-; Audi A4/S4 Cabrio./qu. 2002-2006; PASSAT/4MOTION/W8 2002-2005; Audi A4/S4/Av./qu. 2001-2004; Audi A6/Wagon/quattro 2001-2004; Passat/4Motion/W8 2000-2002; AUDI A4 "CN."06> 2005-; AUDI A4/AV./QU. "CN"03>05 2003-2005.
