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Home >> Cadillac >> 2005 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L & 6.0L - Introduction >> Description and Operation >> Fuel System Description (Pickup and Utility) >> Fuel Pipe O-Rings
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Fuel Pipe O-Rings

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.