Shop OEM Volkswagen Group Part # 99970737040 (999-707-370-40). Engine Coolant Bleeder Screw O-Ring. 3.6 LITER, PRIMARY. 3.8 LITER, PRIMARY. MAIN, outer. PRIMARY. PRIMARY, 2005-08, outer. PRIMARY

Ring. Vent. Valve. seal. Engine Coolant Bleeder Screw Gasket. Rubber O -.
A component which preVents leaks at the Cooling System Bleeder Screw. Included with: Reservoir.

Engine Coolant Bleeder Screw O-Ring

Fits 911, Boxster

3.6 LITER, PRIMARY. 3.8 LITER, PRIMARY. MAIN, outer. PRIMARY. PRIMARY, 2005-08, outer. PRIMARY, 2009-12, outer.