038 117 070 A: Oil cooler O-ring seal for Audi A4 (B6)

This O-ring seal ensures the watertightness of the oil cooler fitted to the Audi A4 (B6). As part of the restoration or maintenance of a classic vehicle, replacing this seal is an essential preventive operation to avoid any mixing between the cooling circuit and the lubrication circuit. A faulty seal can indeed cause fluid contamination with serious consequences for the engine. Replacing this wear part helps keep the vehicle in a reliable working condition and compliant with its original state.