HomeBelts and Cooling > Thermostat and HousingGenuine 06A121121C Engine Coolant Thermostat Housing Cover
Part #: 06A121121C

Genuine 06A121121C Engine Coolant Thermostat Housing Cover

⚙️ 57 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, TT, TT Quattro, Golf, Beetle, and Jetta
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Overview of Genuine Engine Coolant Thermostat Housing Cover

The Genuine Engine Coolant Thermostat Housing Cover, part number 06A121121C, is designed specifically for select Audi and Volkswagen models. This component plays a critical role in maintaining proper engine temperature by housing the thermostat securely.

  • Compatible with Audi and Volkswagen vehicles including Beetle, Golf, Jetta, TT, and TT Quattro
  • Durable construction to withstand engine heat and pressure
  • Direct replacement for part number 06A121121C ensuring proper fit and function
  • Essential for maintaining optimal engine coolant flow and temperature regulation

Product Details and Compatibility

This thermostat housing cover is engineered to meet the specifications of the original equipment manufacturer for Audi and Volkswagen models such as the Beetle, Golf, Jetta, TT, and TT Quattro. The part number 06A121121C ensures compatibility and reliable performance. It is a critical component in the engine cooling system, providing a secure enclosure for the thermostat and preventing coolant leaks.

Function and Common Applications

  • Prevents coolant leaks by sealing the thermostat housing
  • Maintains proper engine operating temperature by housing the thermostat
  • Helps avoid engine overheating and potential damage
  • Supports efficient coolant circulation within the engine
  • Replaces worn or damaged thermostat housing covers in Audi and Volkswagen vehicles

Installation Notes and Tips

When installing the Genuine Engine Coolant Thermostat Housing Cover 06A121121C, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal. Use a new gasket or sealant as recommended by the vehicle manufacturer. Torque bolts to the specified values to prevent leaks and ensure secure fitment.

Quality Assurance and Warranty

Genuine parts like the 06A121121C thermostat housing cover are manufactured to meet strict OEM standards for fit, form, and function. This ensures reliable performance and durability in Audi and Volkswagen vehicles. While specific warranty details may vary, Genuine parts typically come with a manufacturer-backed warranty covering defects in materials and workmanship.

This part fits 57 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006AudiTTN/A
2006AudiTT Quattro1.8LL4N/A
2006VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2006VolkswagenGolf1.8LL4N/A
2005AudiTTN/A
2005AudiTT Quattro1.8LL4N/A
2005VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2005VolkswagenBeetle1.8LL4N/A
2005VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2005VolkswagenGolf1.8LL4N/A
2005VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2005VolkswagenJetta1.8LL4N/A
2004AudiTTN/A
2004AudiTT Quattro1.8LL4N/A
2004VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2004VolkswagenBeetle1.8LL4N/A
2004VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2004VolkswagenGolf1.8LL4N/A
2004VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2004VolkswagenJetta1.8LL4N/A
2003AudiTTN/A
2003AudiTT QuattroN/A
2003VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2003VolkswagenBeetle1.8LL4N/A
2003VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2003VolkswagenGolf1.8LL4N/A
2003VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2003VolkswagenJetta1.8LL4N/A
2002AudiTTN/A
2002AudiTT QuattroN/A
2002VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2002VolkswagenBeetle1.8LL4N/A
2002VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2002VolkswagenGolf1.8LL4N/A
2002VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2002VolkswagenJetta1.8LL4N/A
2001AudiTTN/A
2001AudiTT QuattroN/A
2001VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2001VolkswagenBeetle1.8LL4N/A
2001VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2001VolkswagenGolf1.8LL4N/A
2001VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2001VolkswagenJetta1.8LL4N/A
2000AudiTTN/A
2000AudiTT QuattroN/A
2000VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2000VolkswagenBeetle1.8LL4N/A
2000VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2000VolkswagenGolf1.8LL4N/A
2000VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2000VolkswagenJetta1.8LL4N/A
1999VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
1999VolkswagenBeetle1.8LL4N/A
1999VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
1999VolkswagenJetta2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
1998VolkswagenBeetle2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.