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    LB7 Duramax Lift Pumps


    Complete Fuel Systems
    Complete Fuel Systems
    Fuel Pumps
    Fuel Pumps
    LB7 Duramax Fuel System Filters
    LB7 Duramax Fuel System Filters
    Lift Pump Installation & Accessories
    Lift Pump Installation & Accessories
    Protect your high-pressure injection system and ensure steady fuel delivery on your 2001–2004 Chevy Silverado or GMC Sierra 2500HD/3500HD with our selection of LB7 Duramax lift pumps. Because the factory 6.6L common-rail platform lacks an in-tank or chassis-mounted electric pump, the CP3 injection pump is forced to pull fuel from the tank under vacuum, accelerating internal wear on both the pump and delicate injectors. Adding an aftermarket FASS or AirDog lift pump system supplies positive fuel pressure directly to the CP3 while removing entrained air, water, and debris down to 2 microns. Browse our complete LB7 lift pump kits below to extend injector life and improve engine efficiency.