Fleece Performance

Fleece Performance 13-24 Dodge Cummins 2500/3500 Lower Heater Return Hose

Eliminate the troublesome and leaky quick-connect heater core line on your 2003-2024 RAM with the latest OEM+ solution from Fleece Performance! Our...

Cummins Mechanical Fuel Pump Block Off Plate Have you upgraded from your factory mechanical lift pump to an electric pump? This block off will elim...

Replacement cylinder head dowels for use between the engine block and cylinder head. Replaces Cummins part number 3902343. Kit includes 2 dowels. F...

The Fleece Performance CP3K is a modified 6.7L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you...

The Fleece Performance CP3K is a modified 5.9L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you...

Convert your 5.9L CP3 to a newer 6.7L CP3 style pump with our Fleece Performance exclusive 5.9L to 6.7L adaptation kit. The kit includes a new high...

The 6.7L CumminsPowerFlo 750 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modif...

The 5.9L CumminsPowerFlo 750 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modif...

Upgrade your factory plastic coolant reservoir with our direct replacement fabricated aluminum tank! Powder coated in gloss black, our tank is an e...

Replace your cracked, broken, or clogged turbo oil drain tube with our all new silicone hose drain tube kit. This turbo drain kit is designed for u...

Replacement turbo drain O-rings for all Fleece Performance turbo oil drain tube kits. Contains two O-rings for the drain adapter that inserts into ...

Put the finishing touches on your truck with this high quality Cummins Turbo Drain Tube Kit. The tube is braided stainless steel for durability on ...

Eliminate the installation headaches associated with a non-flexible OE drain line with our silicone hose drain tube kit. This turbo drain kit is de...

Eliminate the installation headaches associated with a non-flexible OE drain line with our ALL NEW silicone hose drain tube kit. This turbo drain k...

Eliminate the installation headaches associated with a non-flexible OE drain line with our ALL NEW silicone hose drain tube kit. This turbo drain k...

The Cummins turbo drain tube adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the engine ...

The Cummins Turbo Drain Tube Adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the block l...

Replacement Turbo Oil Feed Line designed for use with a 1/4" NPT inlet turbochargers. The oil feed line is intended for use with S300 or S400 turbo...

Ensure your turbocharger has a good oil supply line with our replacement turbocharger oil feed line kit designed for use with a Cheetah or stock H...

Ensure your turbocharger has a good oil supply line with our replacement turbocharger oil feed line kit designed for use with a Cheetah or stock H...

High quality stainless steel fitting designed to allow for increased fuel feed capacity to the CP3. Features: -1/2" Barbed Inlet -Made from high qu...

Replacement EPDM hose for the Fleece Performance coolant bypass for model years 2006-2007 (Fleece part numbers FPE-CLNTBYPS-CUMMINS-0607 and FPE-CL...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

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

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

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...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

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...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore...

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-...

Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two)Warranty

Brighten up your driving experience with this simple upgrade inside your underhood relay box. Simply install the All Lights On module to allow your...

Brighten up your driving experience with this simple upgrade inside your underhood relay box. Simply install the All Lights On module to allow your...

Fleece Performance 07-19 GM Universal All Lights On Point of Sale Refill (Pack of 10)

Stay safer, see further, and brighten your night time driving experience with our All Lights On device. The All Lights On allows your high-beams, l...

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...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...