Products

Description This plug kit provides the harness caps to keep water and debris out of the vehicle harness for the DEF Tank.

Description This plug kit provides the harness caps to keep water and debris out of the vehicle harness under the hood and under the body of the tr...

Description This plug kit provides the harness caps to keep water and debris out of the vehicle harness under the hood and under the body of the tr...

Description This plug kit provides the harness caps to keep water and debris out of the vehicle harness under the hood and under the body of the tr...

Description This is a weather cap for the DEF Line at the injector end for the listed applications. This will stop dribbling, leakage, or debris in...

Description The Sinister Diesel Regulated Fuel Return Kit is constructed of CNC machined billet aluminum parts and stainless steel braided fuel lin...

Description Our adapter flange makes for an inexpensive alternative to replacing the manifold and allows for quicker changes back and forth from T4...

Description Cooler engine compartment temperatures can result in higher density that results in more power and by covering up the turbine housing o...

Description Cooler engine compartment temperatures can result in higher density that results in more power and by covering up the turbine housing o...

Description Cooler engine compartment temperatures can result in higher density that results in more power and by covering up the turbine housing o...

Description Titanium Series Optional Electric Diesel Fuel Heater Kit FASS

Description A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn’t come with ...

Description  The Titanium Signature Series diesel fuel system Featuring our Revolutionary Whisper Technology was engineered by FASS Diesel Fuel Sys...

Description The Titanium Signature Series diesel fuel system was engineered by FASS Diesel Fuel Systems to be the top performing, longest lasting a...

  NOTE: If the truck has been retrofitted with an in-tank pump, you will need to purchase a TS D07 165G Kit. The Titanium Signature Series diesel f...

  The Titanium Signature Series diesel fuel lift pump was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliab...

  A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn’t come with a factory ...

  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 l...

  WARNING! This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune an...

  The Titanium Signature Series diesel fuel lift pump was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliab...

  The Titanium Signature Series diesel fuel system Featuring our Revolutionary Whisper Technology was engineered by FASS Diesel Fuel Systems to be ...

  The Titanium Signature Series diesel fuel system was engineered by FASS Diesel Fuel Systems to be the top performing, longest lasting and most re...

  WARNING! This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune an...