Replace the leaking or damaged fuel injector seals on your 2001-2004 GM 6.6L Duramax LB7 with the GB Remanufacturing 522-055 Fuel Injector Seal Kit. The complete injector seal kit contains all the components needed to effectively reseal four injectors on one bank of the Duramax LB7 engine. The materials used are of premium OE quality. The kit includes four injector body O-rings, four injector fuel fitting O-rings, four copper combustion seals, four fuel return rail banjo bolt seals, and one return fitting banjo bolt seal.
Features:
- Direct-Fit Replacement
- Premium OE Quality Construction
- Everything Needed to Reseal Four Injectors
Includes:
(4) Injector Body O-Rings
(4) Injector Fuel Fitting O-Rings
(4) Copper Combustion Seals
(4) Fuel Return Rail Banjo Bolt Seals
(1) Return Fitting Banjo Bolt Seal