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Fleece Performance Brand

460 products
Fleece Performance Engineering is a leading manufacturer of aftermarket diesel performance products. With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology. Products such as the Cheetah line of Turbochargers, the TapShifter, and the TurboBrake have established Fleece Performance as an industry innovator.
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Regular price $37.92
Sale price $37.92
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Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat.  ** Two thermostats are included to service all production years, you will on...
Regular price $379.00
Sale price $379.00
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Ready to upgrade your factory under bed fuel filtration on your 2017 – 2024 Ford 6.7L Power Stroke? The latest OEM+ solution from Fleece Performance is a true “drop-in” upgrade to the furnace sty...
Regular price $379.00
Sale price $379.00
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The SureFlo Performance Sending unit from Fleece Performance is a drop-in replacement for the 1999-2007 Ford 7.3L / 6.0L Power Stroke trucks needing to repair a malfunctioning fuel level sender o...
Regular price $36.22
Sale price $36.22
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Our fuel temperature sensor mounting block provides an alternative method to mount and secure the return fuel temperature sensor when performing a CP3 conversion on the LML Duramax.  
Regular price $129.99
Sale price $129.99
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The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins.  The ...
Regular price $379.99
Sale price $379.99
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Just in time for Summer! Our all-new Fleece Performance coolant bypass for the RAM with 6.7L Cummins! Our patent pending design seamlessly integrates with your truck for an OE fit-and-finish.  FEAT...