FASS 2011-2014 Duramax 6.6L Titanium Signature Series - 165GPH Fuel Filter Fuel Air & Fuel this is because your Duramax

this is because your Duramax doesn't come with a factory lift pump like other diesels

7L Cummins diesel engine with enough fuel for multiple fueling upgrades

For your convenience we have pre-drilled and tapped a fuel pressure gauge port that will make adjusting your regulator simple

2010-2014 Dodge Cummins 6

2011-2016 Powerstroke 140Gph Lift Pump Features:

FASS 2011-2014 Duramax 6.6L Titanium Signature Series - 165GPH Fuel Filter Fuel Air & Fuel this is because your DuramaxFASS Fuel Systems Diesel Lift Pump 2011 2014 GM Duramax Lml 6. 6L Titanium Signature Series 165Gph (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 into your fuel.