MAHLE BEHR Expansion Tank for Audi A6 & S6 (2005-2011)
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.
This MAHLE BEHR Expansion Tank fits Audi A6 and S6 models from 2005 to 2011 (C6 generation). It replaces OEM part 4F0121403M and other variants, providing reliable coolant storage and pressure maintenance. Engineered to OEM specifications for lasting performance.
| Make | Model | Years | Engine |
|---|---|---|---|
| Audi | S6 | 2009–2011 | 5.2V10 |
| Audi | A6 Quattro | 2005–2011 | 4.2V8 |
| Audi | A6 Quattro | 2009–2011 | 3.0V6 |
| Audi | A6 | 2006–2011 | 3.2V6 |
| Audi | A6 Quattro | 2005–2008 | 3.2V6 |
| Part Number | 376737141 |
| OEM Cross-References | 4F0121403, 4F0121403B, 4F0121403F, 4F0121403M |
| Brand | MAHLE BEHR |
| Material | Plastic |
Professional installation recommended.
MAHLE BEHR is a leading OEM supplier of cooling system components.
This part also goes by the following cross reference.
Cross Reference Part Number:
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | S6 | 5.2V10 | 2009–2011 |
| Audi | A6 Quattro | 4.2V8 | 2005–2011 |
| Audi | A6 Quattro | 3.0V6 | 2009–2011 |
| Audi | A6 | 3.2V6 | 2006–2011 |
| Audi | A6 Quattro | 3.2V6 | 2005–2008 |