Audi Engine Coolant Thermostat Housing Assembly – Rein
We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.
We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.
The Rein Engine Coolant Thermostat Housing Assembly is a premium replacement for Audi A4 and A6 models with the 3.0L V6 engine (2002-2006). It replaces OEM part 06C 121 111E, providing reliable temperature regulation and protection against overheating. Built to exact specifications, this assembly delivers long-lasting performance and an easy bolt-on installation.
| Make | Model | Years | Engine |
|---|---|---|---|
| Audi | A4 Quattro | 2002–2005 | 3.0V6 |
| Audi | A4 | 2002–2005 | 3.0V6 |
| Audi | A6 Quattro | 2002–2004 | 3.0V6 |
| Audi | A6 | 2002–2004 | 3.0V6 |
| Part Number | CTA0013 |
| OEM Number | 06C 121 111E |
| Material | Plastic and Aluminum |
Direct bolt-on replacement; no modifications required.
Rein Automotive is known for high-quality OE replacement parts with strict quality control.
This part also goes by the following cross reference.
Cross Reference Part Number:
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A4 Quattro | 3.0V6 | 2002–2005 |
| Audi | A4 | 3.0V6 | 2002–2005 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A6 Quattro | 3.0V6 | 2002–2004 |
| Audi | A6 | 3.0V6 | 2002–2004 |