Fleece Performance 17-19 GM Duramax 2500/3500 Heavy Duty Transmission Cooler lines - FPE-TL-L5P-1719

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! With...

Fleece Performance 17-19 GM Duramax 6.6L L5P Fuel Filter Upgrade Kit - FPE-L5P-FFBA-1719

The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for...

Fleece Performance 17-22 GM 2500/3500 Duramax L5O Replacement Fuel Injector Connector - FPE-HAR-L5P-INJ-PT

A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an...

Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port - FPE-L5P-MAP-SPR

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 factory, soot...

Fleece Performance 17-22 GM 2500/3500 Duramax Replacement Fuel Injector Connector w/Pigtail (4 Pack) - FPE-HAR-L5P-INJ-PT-4P

A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an...

Fleece Performance 17-22 GM 2500/3500 Duramax Replacement Fuel Injector Connector w/Pigtail (8 Pack) - FPE-HAR-L5P-INJ-PT-8P

A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an...

Fleece Performance 17-22 GM 2500/3500 L5P Duramax Sensor Connector w/4.5in Pigtail - FPE-HAR-MU-PT-1

Replacement connector with 4.5" pigtail for use in multiple locations on the L5P Duramax and other GM vehicles. Replaces OEM Connector 13343443 Replaces AC Delco Connector 13384371 Application Notes...

Fleece Performance 17-23 GM 2500/3500 6.6L L5P Duramax 63mm Cheetah Turbocharger - FPE-L5P-VNT63-1723

Fleece Performance Cheetah turbochargers set the industry standard for power, quality, and reliability. Designed as a stock appearing, drop-in replacement turbocharger capable of much more! With our...

Fleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side) - FPE-61-10014-D

Introducing our Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or...

Fleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side) - FPE-61-10014-P

Introducing our Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or...

Fleece Performance 17-24 Ford F250-550 Powerstroke Fuel Heater and Harness - FPE-FH-FMC-1724

Fuel heater kit specifically for use in conjunction with Fleece Performance fuel filter kits installed on the 2017-2024 Ford 6.7L Powerstroke. This kit includes the fuel heater and chassis harness to...

Fleece Performance 17-24 Ford F250-550 Powerstroke Fuel Heater Extension Harness - FPE-FH-FMC-1724-CC-EXT

2017-2024 Ford 6.7L Powerstroke Cab and Chassis owners - This extension harness is required in combination with part number FPE-FH-FMC-1724 when adding the optional fuel heater to the under bed...