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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Fleece Performance Intake Air Temperature Sensor Extension Harness for 13-18 Dodge Ram 6.7L Cummins Fleece FPE-HAR-67-IAT-EXT
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance Duramax Fan Extension Harness (LML) FPE-HAR-DMAX-FAN-LML
Regular price $45.99 USDSale price $45.99 USD Regular priceUnit price / per -
Fleece Performance Duramax MAP/BARO Sensor Pigtail 01-07 FPE-HAR-DMAX-MAP-0107
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price / per -
Fleece Performance Fuel Pressure Regulator and Multiuse Pigtail FPE-HAR-FPR-PT
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 4 pack FPE-HAR-L5P-INJ-PT-4P
Regular price $179.99 USDSale price $179.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 8 pack FPE-HAR-L5P-INJ-PT-8P
Regular price $299.99 USDSale price $299.99 USD Regular priceUnit price / per -
Fleece Performance Replacement CP3 feed hose for LML CP3 Conversion Kit FPE-LML-HS-FEED
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per -
Fleece Performance Dosing Injector Fuel Line Disconnect Tool for 11-16 Duramax FPE-LML-QCDT
Regular price $16.79 USDSale price $16.79 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Quick Connect to -8AN Male Adapter for OEM Dodge Ram Cummins Sending Unit FPE-QUCON-OE-38
Regular price $17.99 USDSale price $17.99 USD Regular priceUnit price / per -
Fleece Performance 2004.5-2010 Duramax Billet Turbo Resonator Delete Plug LLY/LBZ/LMM FPE-RES-04.5-10
Regular price $23.80 USDSale price $23.80 USD Regular priceUnit price / per -
Fleece Performance Turbo Drain Service Kit for Fleece Performance Cummins Drain Tubes FPE-CTDT-SERVICE-KIT
Regular price $4.75 USDSale price $4.75 USD Regular priceUnit price / per -
Fleece Performance Replacement CP3 Return Hose for LML CP3 Conversion Kit FPE-LML-HS-RTRN
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per -
Fleece Performance Stainless Steel Turbo Stud Kit for S-300/S-400 FPE-34856
Regular price $49.95 USDSale price $49.95 USD Regular priceUnit price / per -
Fleece Performance GM All Lights On Module 2003-2007 Select Models FPE-GM-ALO-37
Regular price $24.95 USDSale price $24.95 USD Regular priceUnit price / per -
Fleece Performance -10 90 Deg to Hose Barb Black FPE-PL-90-10
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per -
Fleece Performance FPE-61-10007-HD 6.7L Freedom Series Cummins Cylinder Head (Street-HD)
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price / per -
Fleece Performance 94-18 Dodge 2500/3500 Cummins Coolant Bypass Service Kit FPE-CLNTBYPS-CUMMINS-SER-KIT
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price / per -
Fleece Performance FPE-PS-FMW-63-1518 63mm FMW Cheetah Turbocharger for 2015-2019 6.7L Powerstroke
5.0 / 5.0
(1) 1 total reviews
Regular price $2,699.00 USDSale price $2,699.00 USD Regular priceUnit price / per -
Fleece Performance 16 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-16
Regular price $60.00 USDSale price $60.00 USD Regular priceUnit price / per -
Fleece Performance 24 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-24
Regular price $76.00 USDSale price $76.00 USD Regular priceUnit price / per -
Fleece Performance 6 Inch 45 Degree Hood Stack Cover FPE-HSC-6-45
Regular price $41.99 USDSale price $41.99 USD Regular priceUnit price / per -
Fleece Performance Charging Circuit Harness for 2020–2022 Ford 6.7L Power Stroke
Regular price $125.99 USDSale price $125.99 USD Regular priceUnit price / per -
Fleece Performance NSBU Pigtail for 2004.5–2005 GM 2500/3500 Duramax with Allison Transmission
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per -
Fleece Performance NSBU Pigtail for 2001–2004 GM 2500/3500 Duramax with Allison Transmission
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per -
Fleece Performance - MAF Sensor Pigtail Repairs for 2011 to 2016 6.6L Duramax
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance 4-Pin Valve Cover Injector Pigtail For 2003-2005 Dodge Ram 2500/3500 Cummins
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Donaldson P551329 Replacement Fuel Filter – Case of 12
Regular price $263.54 USDSale price $263.54 USD Regular priceUnit price / per -
Donaldson P551329 Substitute Fuel Filter – Spin-On Water Separator
Regular price $22.99 USDSale price $22.99 USD Regular priceUnit price / per
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!

















