Sierra Titanium Signature Series Diesel Fuel Lift Pump 165Gph 11-14 Sierra 2500/3500 Duramax LML 6.6L FASS 1990 Engineered tighter tolerances

Engineered tighter tolerances

Replacement Poly bushing set for 1032011-F and 1032013-F

All of our custom A-Pillars can be painted to match any vehicle interior color for ultimate customization

Pressure Plate - Dir/Fwd (Frt)

Turbo utilizes high flow T4 turbine housing

Sierra Titanium Signature Series Diesel Fuel Lift Pump 165Gph 11-14 Sierra 2500/3500 Duramax LML 6.6L FASS 1990 Engineered tighter tolerancesFASS Fuel Systems Diesel Lift Pump 2011 2014 GM Duramax LML 6. 6L Titanium Signature Series 165GPH (TS C11 165G) Part No: TS C11 165G A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn't come with a factory lift pump like other diesels. This requires your CP3 injection pump to pull your fuel under a vacuum, adding additional stress to your CP3 Pump and risk introduce additional air