Fleece Performance

Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat. Two thermostats included to...

All new Fleece Performance coolant bypass for the 2019+ RAM with 6.7L Cummins! Our patent pending design seamlessly integrates with your truck for ...

The Fleece Performance coolant bypass for the 2013-2018 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish. Featu...

The Fleece Performance coolant bypass for the 2007.5-2012 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish. Fea...

Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut O-rings, 1 new standard O-ring, and 2 new AN fitting O-...

2013-2018 6.7L Cummins A/C Line Reroute Kit - If you are looking to do an aftermarket turbo set up like a 2nd Gen Swap Kit, or Compound Kit then th...

When replacing the stock VGT turbo on your 6.7L Cummins with a non-water cooled turbo, these delete plugs are a must. They conveniently fit the sto...

Our replacement turbine shaft speed sensor works on all Cummins Holset HE351VE and HE300VE/VG turbos on the 6.7L Dodge, MY 2007.5-2024. Replaces Cu...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expe...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expe...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expe...

Auxiliary fuel filter and line kit for your 2003-2018 Dodge Cummins. The kit includes everything you need to properly route, plumb and filter fuel ...

Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced from aged 603 stainless steel and...

Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced from aged 603 stainless steel and...

Fleece Performance billet aluminum fan drive pulley in black anodized finish for the 2003-2012 Cummins equipped RAM. Our pulley is a direct replac...

Fleece Performance billet aluminum fan drive pulley in black anodized finish for the 2013-2018 Cummins equipped RAM. Our pulley is a direct replace...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only ...

2013-2018 Cummins 2nd Gen 45 CAC Boot (2.75" ID 4 ply Aramid Polyester Reinforcement, 2.375"/3.875" Leg Lengths)Warranty