FASS Titanium Series Optional Electric Diesel Fuel Heater Kit 2021-gmc-sierra-2500-hd-esi1710707 During real-world use

During real-world use

Comes with Live Valve brackets

We recommend an adjustable track bar (1994-2002 trucks excluded) and extended control arms to restore proper axle location and reduce deflection

Their experienced shock technicians are a phone call away to help should any questions arise during installation or use

FASS Titanium Series Optional Electric Diesel Fuel Heater Kit 2021-gmc-sierra-2500-hd-esi1710707 During real-world useFASS Fuel Systems FASS Titanium Series Optional Electric Diesel Fuel Heater Kit Our Titanium Series Electric Heater Kits are an upgrade for FASS Systems being used in extremely cold climates. Each FASS Titanium Series pump has 2 ports for electric heaters which help aid in cold weather starts and keep fuel from gelling while driving during extremely cold temperatures. The heater(s) will begin warming once the key is in the on position and will