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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 8.1L - Introduction (2 Of 2)) >> Description and Operation >> Fuel System Description >> Fuel Pipe O-Rings

Fuel Pipe O-Rings

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O-rings seal the threaded connections in the fuel system. Fuel system O-ring seals are made of special material. Service the O-ring seals with the correct service part.