Collection: Fleece Performance Engineering
Fleece Performance – Premium Diesel Performance Parts & Upgrades
Fleece Performance is a pioneer in the diesel performance industry, offering high-quality, innovative parts designed to enhance power, efficiency, and reliability. Whether you own a Cummins, Duramax, or Power Stroke engine, our products are engineered to deliver superior performance, meeting the...
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Under Bed Fuel Filter for 11-16 Ford 6.7L Power Stroke (Case of 6) Fleece Performance
Regular price $275.95 USDSale price $275.95 USD Regular priceUnit price / per$289.75 USDSale -
Fuel Heater and Harness for Fleece Performance Ford Filter Bases Fleece Performance
Regular price $189.00 USDSale price $189.00 USD Regular priceUnit price / per$198.45 USDSale -
LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8) Fleece Performance
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per$83.99 USDSale -
Molded Plastic Universal 5 Inch Intake Manifold Elbow with Sensor Mounting Provisions Fleece Performance
Regular price $84.99 USDSale price $84.99 USD Regular priceUnit price / per$89.24 USDSale -
Neutral Safety Switch Connector Pigtail Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per$41.99 USDSale -
LBZ/LMM Duramax High Pressure Injection Line (Number 3 and Number 6) Fleece Performance
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per$83.99 USDSale -
LLY Duramax High Pressure Injection Line Kit Fleece Performance
Regular price $489.00 USDSale price $489.00 USD Regular priceUnit price / per$513.45 USDSale -
Under Bed Fuel Filter for 11-16 Ford 6.7L Power Stroke Fleece Performance
Regular price $49.99 USDSale price $49.99 USD Regular priceUnit price / per$52.49 USDSale -
07.5-18 6.7L RAM 2500/3500 Cummins Number 6 Injection Line Fleece Performance
Regular price $62.99 USDSale price $62.99 USD Regular priceUnit price / per$65.99 USDSale -
Alternator Pigtail for 2007-2022 RAM with Cummins Fleece Performance
Regular price $20.99 USDSale price $20.99 USD Regular priceUnit price / per$22.04 USDSale -
Duramax Fan Extension Harness (LML) Fleece Performance
Regular price $45.99 USDSale price $45.99 USD Regular priceUnit price / per$48.29 USDSale -
3/8 Inch Black Anodized Aluminum Y Barbed Fitting (For -6 Pushlock Hose) Fleece Performance
Regular price $23.99 USDSale price $23.99 USD Regular priceUnit price / per$25.19 USDSale -
07.5-18 6.7L RAM 2500/3500 Cummins Number 2 and Number 3 Injection Line Fleece Performance
Regular price $62.99 USDSale price $62.99 USD Regular priceUnit price / per$65.99 USDSale -
LB7 High Pressure Injection Line (2 and 7) For 01-04 Duramax LB7 Fleece
Regular price $68.99 USDSale price $68.99 USD Regular priceUnit price / per$72.44 USDSale -
2011-2014 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2011-2014 GM 2500/3500 Fleece Performance
Regular price $329.99 USDSale price $329.99 USD Regular priceUnit price / per$346.49 USDSale -
Cummins Crankshaft Position Sensor Extension Harness 2003-2018 Dodge 2500/3500 Fleece Performance
Regular price $59.99 USDSale price $59.99 USD Regular priceUnit price / per$62.99 USDSale -
Cummins EGR Valve Pigtail Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per$41.99 USDSale -
2 Setrab To -10AN Fittings Purchased W/Allison Transmission Cooler Lines Fleece Performance
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per$20.99 USDSale -
Fuel Heater for Fleece Performance GM/Cummins Filter Bases Fleece Performance
Regular price $139.00 USDSale price $139.00 USD Regular priceUnit price / per$145.95 USDSale -
2015-2016 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2015-2016 GM 2500/3500 Fleece Performance
Regular price $329.99 USDSale price $329.99 USD Regular priceUnit price / per$346.49 USDSale -
LB7 High Pressure Injection Line for 01-04 Duramax LB& (4 and 5) Fleece
Regular price $68.99 USDSale price $68.99 USD Regular priceUnit price / per$72.44 USDSale -
2001-2016 GM Fuel Primer Bulb Sealing Kit 2001-2016 GM 2500/3500 Fleece Performance
Regular price $49.99 USDSale price $49.99 USD Regular priceUnit price / per$52.49 USDSale -
Service Kit for FPE-FMC-FF-RLK-1724 Fleece Performance
Regular price $14.75 USDSale price $14.75 USD Regular priceUnit price / per$15.49 USDSale -
LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5) Fleece Performance
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per$83.99 USDSale -
Fuel Filter Delete 2019-Present 5th Gen Dodge Ram with Cummins Fleece Performance
Regular price $64.95 USDSale price $64.95 USD Regular priceUnit price / per$68.20 USDSale -
Thermostat Housing Upgrade for 2011-2025 6.7L Power Stroke Fleece Performance
Regular price $89.99 USDSale price $89.99 USD Regular priceUnit price / per$94.49 USDSale -
GM Front TufShafts 01-10 GM 2500-3500 W/9.25 inch AAM Front Axle Fleece Performance
Regular price $1,099.00 USDSale price $1,099.00 USD Regular priceUnit price / per$1,153.95 USDSale -
Cummins S300-S400 Turbo Installation Kit 2007.5-2012 Fleece Performance
Regular price $209.00 USDSale price $209.00 USD Regular priceUnit price / per$219.45 USDSale
Unleash the Power of Diesel Trucks with Fleece Performance Engineering!
Discover the pinnacle of diesel performance with Fleece Performance Engineering's cutting-edge parts. Experience unrivaled power, efficiency, and excellence as you take your truck to new heights of performance. Our precision-engineered products ensure seamless integration, making every ride a seamless joy. Say goodbye to average and embrace extraordinary acceleration, towing prowess, and fuel efficiency.
Join the league of truck owners who dominate the road and conquer tough terrains effortlessly. Fueled by our commitment to excellence and innovation, Fleece Performance Engineering offers you a lasting partnership for all your diesel needs.
Upgrade your diesel truck today and embrace a new era of diesel dominance. Order your Fleece Performance Engineering products now and unleash the true potential of your truck!
















