BMW 635CSi O-Rings Parts

Positon 13 in the diagram - Diagram may not match your specific vehicle

18 different sizes of Viton polymer o-rings, which are compatible with aggressive fuels and chemicals such as biodiesel, gasoline, pure ethanol, and oils.

Nitrile Butadiene Rubber (NBR)

HNBR Suitable for high dynamic loads and is abrasion resistant. Commonly used in the cooling system and A/C applications, and is safe for R12 and R134