20 x 3mm. A circular disk covered in rubber or plastic with a hole in the center where the edge is sometimes tensioned by a spRing that prevents fluid from leaking at the Cooling System Crossover Line. Engine Coolant Bypass Pipe O-Ring. Engine Coolant Pipe Seal. O-Ring. Connector o -. Cooler. Cooling System Crossover Line. Engine Coolant Bypass O -. Feed Line. Water inlet.
Engine Coolant Pipe O-RingEngine Coolant Pipe SealEngine Coolant Bypass Pipe O-RingCooling System Crossover Line Seal
Fits A3, A4, A5, A6, allroad, Q3, Q5, TT, TTS
2.0 LITER. 2.0 LITER, 2012-15. 2.0 LITER, GAS. 2009 W/O AWD. 2009-10. 2009-13. 2009-2010 W/AWD, TT. 2009-2010 W/AWD, TTS. 2011-15 W/AWD, TT. 2011-15 W/AWD, TTS, RETURN. 2012-13. 2013-2016. 4.2 LITER, FEED TO 11/06. CONVERTIBLE, 2.0 LITER. Coupe, 2.0 LITER. FRONT. GAS. SEDAN, W/O TURBOCHARGER. W/O TURBOCHARGER.