28 x 4.5mm. Cooling System Bypass Line Adapter O-Ring. Engine Coolant Bypass Pipe O-Ring. Engine Coolant Pipe Seal. O-Ring. Part cannot be reused/reinstalled. Center. Connector tube. Cooling System Bypass Line Adapter O -. Coupling. Engine Coolant O -. Gasket. Hose. Water inlet tube. Y - piece.
Engine Coolant Pipe O-RingEngine Coolant Pipe SealEngine Coolant Bypass Pipe O-RingCooling System Bypass Line Adapter O-Ring
Fits A6, A8, Q7, R8, RS4, RS5, S5, S6, S8
4.2 LITER, AUTO TRANS, front, #1. 4.2 LITER, FEED, 2007-10. 4.2 LITER, MANUAL TRANS, front, #1. 4.2 LITER, RETURN. 4.2 LITER, RETURN FROM 12/06. 4.2 LITER, RETURN, 2007-11. 4.2 LITER, RETURN, RS4. 4.2 LITER, SUPPLY, LOWER. 5.2 LITER, FEED. REAR, 4.2 LITER, front, #1.