Genuine 06A121121C Engine Coolant Thermostat Housing Cover

Brand Genuine 06A121121C
Fits Audi and Volkswagen · 57 vehicles

Thermostat housing cover. Direct replacement for the original coolant system component.

$41.11Free shipping
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Engine Coolant Thermostat Housing Cover

Genuine part number 06A121121C is an engine coolant thermostat housing cover for select Audi and Volkswagen applications. It is a direct-fit replacement for vehicles that use this thermostat housing cover in the cooling system.

Key Features

  • Genuine OEM replacement part
  • Engine coolant thermostat housing cover for the cooling system
  • Part number 06A121121C
  • Fits select Audi TT and TT Quattro models
  • Fits select Volkswagen Golf, Beetle, and Jetta models

Detailed Description

This Genuine thermostat housing cover is built for specific 1998-2006 Audi and Volkswagen vehicles that use part number 06A121121C. It is used in the engine cooling system to help secure the thermostat housing assembly and maintain proper coolant routing. For buyers searching for an Audi TT thermostat housing cover or a Volkswagen Golf coolant thermostat housing cover, this OE-style replacement matches the listed applications.

Compatible vehicle coverage includes Fits 2000-2006 Audi TT, N/A; Fits 2000-2006 Audi TT Quattro, N/A; Fits 1999-2006 Volkswagen Golf, N/A; Fits 2000-2006 Volkswagen Golf, N/A; Fits 1998-2005 Volkswagen Beetle, N/A; Fits 1999-2005 Volkswagen Beetle, N/A; Fits 1999-2005 Volkswagen Jetta, N/A; and Fits 2000-2005 Volkswagen Jetta, N/A. Search by 06A121121C when confirming application for your Audi TT, Volkswagen Golf, Volkswagen Beetle, or Volkswagen Jetta.

What It Is Used For

  • Replacing a cracked or worn thermostat housing cover
  • Restoring proper sealing at the thermostat housing
  • Addressing coolant leaks at the housing area
  • Supporting stable engine coolant flow through the cooling system
  • Matching the original part number 06A121121C on listed vehicles

Installation Notes and Tips

Verify the existing housing design and part number before installation. Clean the mating surfaces thoroughly and inspect the thermostat housing and surrounding coolant components for wear, corrosion, or damage. Confirm fitment against the vehicle year, make, and model listed above before ordering.

Quality Assurance

Genuine OEM replacement part built for the specified applications and identified by part number 06A121121C.

This part fits 57 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006AudiTT——N/A—
2006AudiTT Quattro1.8LL4N/A—
2006VolkswagenGolf2.0LL4N/AClutch Pressure Plate Bolt fitment for a range of engine vehicles.
2006VolkswagenGolf1.8LL4N/A—
2005AudiTT——N/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—
2004AudiTT——N/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—
2003AudiTT——N/A—
2003AudiTT Quattro——N/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—
2002AudiTT——N/A—
2002AudiTT Quattro——N/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—
2001AudiTT——N/A—
2001AudiTT Quattro——N/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—
2000AudiTT——N/A—
2000AudiTT Quattro——N/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.