Heater Core - VW/Audi / C5 / A6 / RS6 / S6 | 4B1819031C-MAH

The Mahle replacement heater core guarantees the same quality fit and performance as the OE heater core it replaces.
Features and Benefits:
- OE-Equivalent
- Direct fit for easy installation.
- High-quality corrosion-resistant materials.
- OE Style mounting brackets and hose connections.
- Mechanically bonded aluminum core.
- Integrated transmission oil cooler when applicable.
Part #'s
4B1-819-031-C / 4B1819031 C / 4B1 819 031 C / 4B1819031C
4B1-819-031 / 4B1 819 031 / 4B1819031
MFR Part # AH 220 000S
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov