Buy OEM 2009 Audi Part # 4E0121071B (4E0-121-071-B). Engine Coolant Crossover Pipe. 4.2 LITER, RETURN, 2007-10. Cooling System Crossover Line - Repair or Replace A failed cooling system

Engine Coolant Crossover Pipe. Water Pipe.
A Pipe that balances Coolant between cylinder banks.

Engine Coolant Crossover Pipe

Fits A8

4.2 LITER, RETURN, 2007-10.
Cooling System Crossover Line - Repair or Replace
A failed cooling system crossover line will cause a coolant leak or overheating. If your 2009 Audi is running hot, contact your Audi service department for expert repair.