Fits for: 2011-2014 Audi A6/S6 Avant Quattro Avant 2.0L
Replace part nunmber: 4G0121081AL
Function: Transfers excess coolant from the radiator to the reservoir when the engine heats up, and returns coolant as the engine cools, maintaining optimal coolant levels and preventing overheating
Symptoms of Failure: Coolant leaks, engine overheating, or activation of the check engine light due to incorrect coolant level or temperature readings
Installation: Easy to install; Plug and Play; No special tools needed for installation; Save time and effort