028 103 500: Vent pipe seal for Audi A4 (B5)

This breather pipe seal is designed for the Audi A4 (B5) fitted with the 1.9 Diesel 75 ch (engine code AFF), 1.9 TDi 90 ch (codes 1Z, AHH, AHU) and 1.9 TDi 110 ch (codes AFN, AVG) engines. As part of the restoration or maintenance of this saloon car, now a classic, replacing this seal helps to ensure the engine sump ventilation system remains airtight and prevents any unwanted oil or air leaks. This is a new part designed as a direct replacement for a worn, cracked or faulty original component. Fitting it helps to maintain the proper mechanical operation of the engine assembly.