Coolant Expansion Tank | B5 A4 | Passat | 8D0121403L

The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Includes integrated coolant level sensor.
Fits
All 1997-2001 Audi A4
All 1998-2005 VW Passat (excluding W8)Audi B5 A4 All All Audi C5 A6 All V6 2.8L Audi C5 A6 All V6 30v Audi RS6 All All Volkswagen Passat B5 All 1.8T Volkswagen Passat B5 All TDI Volkswagen Passat B5 All V6 30v
Part #
8D0-121-403-L / 8D0121403 L / 8D0 121 403 L / 8D0121403L
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