Fleece Performance Brand

403 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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Fleece Performance | 2003-2018 Dodge Ram 5.9 / 6.7 Cummins Front Gear Housing Dowels Fleece | 2003-2018 Dodge Ram 5.9L / 6.7L Cummins Front Gear Housing Dowels
$27.00
$27.00
Replacement front cover dowels for use on Cummins 5.9L and 6.7L engines. Kit includes 2 dowels.   APPLICATION NOTES Replaces Cummins part number 3949326
FLEECE PERFORMANCE | 1989-2023 DODGE RAM 5.9 / 6.7 CUMMINS CYLINDER HEAD DOWELS Fleece | 1989-2023 Dodge Ram 5.9L / 6.7L Cummins Cylinder Head Dowels
$30.00
$30.00
Replacement cylinder head dowels for use between the engine block and cylinder head. Kit includes 2 dowels.  APPLICATION NOTES Replaces Cummins part number 3902343. Fits 1989-2023 Cummins 12 valve...
FLEECE PERFORMANCE | REPLACEMENT AIR FILTER - CUSTOM
$107.00
$107.00
The Fleece Performance Replacement Filter is a cleanable cotton 8-ply filter. This innovative filter features a full round inlet radius that provides for a smooth transition while allowing for a la...
Fleece | 2015-2016 GM Duramax 2500 / 3500 HD Transmission Cooler Lines
$468.00
$468.00
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck!  ...
FLEECE PERFORMANCE | 2017-2019 GM DURAMAX 2500 / 3500 HD TRANSMISSION COOLER LINES
$468.00
$468.00
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your L5P truck!  ...
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FLEECE PERFORMANCE | L5P DURAMAX / GM VEHICLES SENSOR CONNECTOR WITH 4.5 INCH PIGTAIL
$54.00
$54.00
Replacement connector with 4.5" pigtail for use in multiple locations on the Duramax, Ram with Cummins, and other GM vehicles. Produced in-house, our manufacturing process includes fully automate...