Collection:
Fleece Performance Brand
410 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.
Fleece | 2017-2022 GM L5P Duramax Map Sensor Spacer With Boost Reference Port
Regular price
$68.99
Sale price
$68.99
Regular price
Unit price
/per
All new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax.
Problem: Because of the direct placement of the MAP sensor into the intake air stream from the fact...
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Fleece | 2003-2018 Dodge Ram 5.9L / 6.7L Cummins Front Gear Housing Dowels
Regular price
$18.99
Sale price
$18.99
Regular price
Unit price
/per
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 | 1989-2023 Dodge Ram 5.9L / 6.7L Cummins Cylinder Head Dowels
Regular price
$20.99
Sale price
$20.99
Regular price
Unit price
/per
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 | Replacement Air Filter - Custom
Regular price
$74.99
Sale price
$74.99
Regular price
Unit price
/per
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
Regular price
$329.99
Sale price
$329.99
Regular price
Unit price
/per
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 | 2017-2019 GM Duramax 2500 / 3500 HD Transmission Cooler Lines
Regular price
$329.99
Sale price
$329.99
Regular price
Unit price
/per
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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