Buy 2005 Audi TT 1.8L M/T Quattro Base Convertible Engine Coolant Crossover Pipe. 1.8 LITER, 225 Cooling, HORSEPOWER - OEM Audi Part # 06A121065BQ (06A-121-065-BQ, 06A121065BE)

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

Engine Coolant Crossover Pipe

Fits TT

1.8 LITER, 225 HORSEPOWER, all. 1.8 LITER, 225 HORSEPOWER, w/stability cntrl.
Cooling System Crossover Line - Repair or Replace
A failed cooling system crossover line will cause a coolant leak or overheating. If your 2005 Audi TT is running hot, contact your Audi service department for expert repair.