60 Gallon Replacement Tank For 2020+ GM Duramax 6.6L Crew Cab Long Bed 2003-59-cummins The heat exchanger is designed

The heat exchanger is designed for use in cold climates to warm the transmission fluid with the engine coolant

and FASS Fuel Systems patented air/vapor removal process

This means your fuel is being constantly “Polished” (cleaned)

Make sure to abide by all local

This new and improved version from our previous Suction Tube Kit allows the user to plum their FASS suction and return line directly to their bulkhead fitting which are mounted directly on the fuel tank module

60 Gallon Replacement Tank For 2020+ GM Duramax 6.6L Crew Cab Long Bed 2003-59-cummins The heat exchanger is designedImportant Notes: The S&B Replacement Fuel Tank won't fit vehcles with a 2 piece driveline. Your fuel gauge will continue to work normally. Read More GM trucks monitor for an inoperative fuel gauge. Read More Do you have an Auxiliary Fuel Tank? Read why using these with our tanks will void the Lifetime Warranty.