Buy OEM Audi Part # 06B121070H (06B-121-070-H, 06B121070E). Engine Coolant Bypass Pipe. Water Pipe. 1.8 LITER. Cooling System Bypass Line - Repair or Replace If your Audi has

Engine Coolant Bypass Pipe. Pipe that is part of the Engine Cooling system.

Engine Coolant PipeEngine Coolant Bypass Pipe

Fits A4

1.8 LITER.
Cooling System Bypass Line - Repair or Replace
If your Audi has been either leaking coolant or overheating, you could have a faulty cooling system bypass line. Let our technicians help trace the problem and replace the faulty coolant hose with a genuine Audi part.