2000-2001 Audi A4 Thermostat Housing 06B121121L
OEM Part #: 06B-121-121-L (06B121121L)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
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Keep your engine running smoothly with this authentic OEM Thermostat Housing, part number 06B121121L. This essential component regulates coolant flow, ensuring optimal engine temperature across compatible models, including the 2001 Audi A4 (1.8L L4 - Gas), 2001 Audi A4 Quattro Avant, 1995 Audi S6 Avant, and various 2000-2005 Volkswagen Passat variants (1.8L L4 - Gas). A malfunctioning thermostat housing can lead to overheating, coolant leaks, and decreased performance. By replacing your worn or damaged housing with this factory-original part, you can enhance your vehicle’s efficiency and longevity. Also known as the Engine Coolant Thermostat Housing or Adapter, it's suitable for multiple engine types including 2.2L L5 and 2.5L L5 configurations. Reliable performance starts with genuine parts.
Specifications
| Fits Vehicle Model | A4 |
| Fits Vehicle Make | Audi |
| OEM Part No | 06B-121-121-L (06B121121L) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 2 vehicle configurations across 1 make, 2000-2001.
View all 2 vehicle configurations — 2 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2000 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWM |
| 2001 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWM |