FASS DMAX7002 Duramax Diesel Fuel System Flow Enhancer GM Duramax 6.6L 2011-2016 3500 the Bulkhead fitting functions as

the Bulkhead fitting functions as both a suction tube and return and features a 5/8 inch Suction Tube and suction fuel line along with a 1/2 inch Fuel Return Port

7L fuel rails

effectively extending the life of both your Injection System and Injectors

Cummins Direct Replacement System Features:

Years: 1994-1995

FASS DMAX7002 Duramax Diesel Fuel System Flow Enhancer GM Duramax 6.6L 2011-2016 3500 the Bulkhead fitting functions asFASS Fuel Systems Dura Max Diesel System 2011 2016 GM Duramax 6. 6L (DMAX7002) Part No: DMAX7002 Duramax diesel engines do not come with a factory System, this is why Duramax owners see such great performance and economy gains after installing an aftermarket diesel fuel System. When the factory CP3 CP4 injection System pulls fuel under a vacuum it can introduce air and vapor into your fuel, which can lead to injector failure. The D Max Flow Enhancer