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Fleece 1″ T4 Pedestal Spacer (FPE-T4PED-SPACER1.0) for Duramax equipped w/T4 Turbos

SKU: FPE-T4PED-SPACER1.0
$109.97

The Fleece 1″ T4 Pedestal Spacer (FPE-T4PED-SPACER1.0) is a high-quality component designed for Duramax engines with T4 turbochargers. It raises the turbo pedestal by one inch to allow clearance for larger or custom turbos, ensuring proper alignment and secure mounting. Ideal for performance upgrades and custom builds, it enhances compatibility and flexibility in turbo system modifications.

Fleece Dosing Injector Fuel Line Disconnect Tool (FPE-LML-QCDT) for 2011-2016 Duramax LML

SKU: FPE-LML-QCDT
$17.63

The Fleece Dosing Injector Fuel Line Disconnect Tool (FPE-LML-QCDT) is a precision tool designed for 2011–2016 GM Duramax LML diesel engines. It simplifies the removal of the fuel line to the dosing injector, a typically difficult task, by providing a secure and efficient disconnect. Ideal for both technicians and DIY users, it aids in servicing or diagnosing components in the exhaust aftertreatment system.

Fleece 7″ Straight Cut Hood Stack Cover (FPE-HSC-7-S) for 7″ Exhaust Pipe

SKU: FPE-HSC-7-S
$47.40

The Fleece 7″ Straight Cut Hood Stack Cover (FPE-HSC-7-S) is a durable protective cover designed for 7-inch exhaust stacks on diesel trucks. It shields the stack from debris, moisture, and weather when not in use, helping to extend the life of exhaust components. With a sleek, straight-cut design, it ensures a secure fit and professional appearance, making it ideal for storage or harsh conditions.

Fleece 6″ Straight Cut Hood Stack Cover (FPE-HSC-6-S) for 6″ Exhaust Pipe

SKU: FPE-HSC-6-S
$46.29

The Fleece 6″ Straight Cut Hood Stack Cover (FPE-HSC-6-S) is a durable, heavy-duty cover designed to protect 6-inch exhaust hood stacks on performance diesel trucks. It prevents debris and moisture from entering the exhaust when not in use and features a straight-cut design for a secure fit and professional look. Built to withstand harsh weather, it is a reliable accessory for maintaining exhaust system integrity.

Fleece 5″ Straight Cut Hood Stack Cover (FPE-HSC-5-S) for 5″ Exhaust Pipe

SKU: FPE-HSC-5-S
$45.19

The Fleece 5″ Straight Cut Hood Stack Cover (FPE-HSC-5-S) is a durable, high-performance exhaust accessory designed for 5-inch exhaust pipes. Featuring a sleek, straight-cut design, it protects the exhaust system from debris, moisture, and contaminants when not in use. Built to withstand high temperatures and harsh conditions, it’s ideal for performance trucks and custom builds, offering both protection and style.

Fleece 5″ 45 Degree Hood Stack Cover (FPE-HSC-5-45) for 5″ Exhaust Pipe

SKU: FPE-HSC-5-45
$45.19

The Fleece 5″ 45 Degree Hood Stack Cover (FPE-HSC-5-45) is a durable, weather-resistant cover designed to protect 5-inch, 45-degree angled exhaust stacks commonly used in performance diesel trucks. It prevents debris and moisture from entering the exhaust system, helping to extend component life and maintain performance. Easy to install and remove, it offers reliable protection during downtime or transport.

Fleece 4″ Short Hood Stack Cover – Straight Cut (FPE-HSC-4-S) for 4″ Exhaust Pipe

SKU: FPE-HSC-4-S
$45.19

The Fleece 4″ Short Hood Stack Cover – Straight Cut (FPE-HSC-4-S) is a durable, weather-resistant cover designed to protect 4″ straight-cut exhaust stacks from rain, snow, and debris. It helps maintain exhaust system efficiency and longevity when the vehicle is not in use. Easy to install and remove, it’s a practical accessory for truck owners.

Fleece 4″ Short Hood Stack Cover – Miter Cut (FPE-HSC-4-45) for 4″ Exhaust Pipe

SKU: FPE-HSC-4-45
$43.04

The Fleece 4″ Short Hood Stack Cover – Miter Cut (FPE-HSC-4-45) is a durable, high-quality cover designed to protect 4-inch miter-cut exhaust stacks from moisture, dirt, and debris. Made from heavy-duty materials, it ensures a secure fit and helps extend the life and performance of diesel truck exhaust systems when not in use.

Fleece 18″ Rail Pressure Sensor Extension Harness (FPE-HAR-RP-EXT) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML& 2003-2012 Cummins 5.9L / 6.7L

SKU: FPE-HAR-RP-EXT
$45.19

The Fleece 18″ Rail Pressure Sensor Extension Harness (FPE-HAR-RP-EXT) is a plug-and-play aftermarket solution for 2001–2016 Duramax and 2003–2012 Cummins engines. It provides an 18-inch extension for easier relocation of the rail pressure sensor during custom builds or fuel system upgrades. Built to OEM specs, it ensures a secure, reliable connection without the need for wire cutting or splicing.

Fleece Multiuse Sensor Pigtail (FPE-HAR-MU-PT-5) for 2001-2022 Duramax LB7 / LLY / LBZ / LMM / LML / L5P & 1994-2022 Cummins 5.9L / 6.7L

SKU: FPE-HAR-MU-PT-5
$22.04

The Fleece Multiuse Sensor Pigtail (FPE-HAR-MU-PT-5) is a durable, weatherproof wiring solution compatible with 2001–2022 Duramax and 1994–2022 Cummins diesel engines. Featuring OEM-style connectors, it serves as a reliable replacement or upgrade for various sensor connections, ideal for both repairs and custom builds.

Fleece Transmission Input Speed Sensor Pigtail (FPE-HAR-MU-PT-14) for 2015-2019 Duramax w/Allison Transmission

SKU: FPE-HAR-MU-PT-14
$14.32

The Fleece Transmission Input Speed Sensor Pigtail (FPE-HAR-MU-PT-14) is a durable, OEM-style replacement connector for 2015–2019 GM Duramax trucks with Allison transmissions. Designed for easy installation with pre-terminated wires, it repairs damaged or corroded input speed sensor connectors, ensuring reliable performance and secure electrical connections. Ideal for maintenance or sensor repair.

Fleece Multiuse Sensor Pigtail No 11 (FPE-HAR-MU-PT-11) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML

SKU: FPE-HAR-MU-PT-11
$20.94

The Fleece Multiuse Sensor Pigtail No. 11 (FPE-HAR-MU-PT-11) is a durable, OEM-style replacement wiring solution for 2001–2016 Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). Designed for easy installation and reliable sensor connections, it helps maintain proper engine management. Made from automotive-grade materials, it offers long-lasting performance in tough conditions and is ideal for replacing damaged connectors or custom wiring upgrades.

Fleece Automatic Transmission 20-Pin Pigtail GM (FPE-HAR-GM-AT-20-PT) for 2001-2016 Duramax LB7 / LLY / LBZ / LML

SKU: FPE-HAR-GM-AT-20-PT
$110.24

The Fleece Performance FPE-HAR-GM-AT-20-PT is a high-quality 20-pin transmission pigtail designed for 2001–2016 GM Duramax diesel trucks (LB7, LLY, LBZ, LML). Built for durability and OEM fit, it provides a reliable fix for damaged connectors and supports transmission swaps, harness repairs, or custom builds. Its plug-and-play design ensures secure connectivity and optimal transmission performance.

 

Replaces discontinued GM part number 12126459 and AC Delco PT729

Fleece Vane Position Sensor Pigtail (FPE-HAR-DMAX-VPS-0616) for 2006-2016 Duramax LBZ / LMM / LML

SKU: FPE-HAR-DMAX-VPS-0616
$31.96

The Fleece Vane Position Sensor Pigtail (FPE-HAR-DMAX-VPS-0616) is a durable, OEM-style replacement harness for 2006–2016 Duramax diesel engines (LBZ, LMM, LML). It replaces damaged turbo vane position sensor connectors, ensuring accurate vane position reporting to the engine control module. Designed for harsh engine conditions, it provides a secure connection to restore turbo function and prevent related diagnostic trouble codes. This plug-and-play repair option supports optimal engine performance.

Fleece Fuel Rail Pressure Harness (FPE-HAR-DMAX-LML-RP) for 2011-2016 Duramax 6.6L LML

SKU: FPE-HAR-DMAX-LML-RP
$77.16

The Fleece Fuel Rail Pressure Harness (FPE-HAR-DMAX-LML-RP) is a durable, plug-and-play aftermarket harness designed for 2011–2016 GM Duramax 6.6L LML diesel engines. It offers a reliable connection to the factory fuel rail pressure sensor, ensuring accurate fuel pressure readings for optimal engine performance. Made with OEM-grade materials, it’s ideal for replacing damaged OEM parts or upgrading for improved reliability.

 

Replaces discontinued GM part number: 12647115 and 12638158

Fleece Crankshaft Position Sensor Pigtail (FPE-HAR-DMAX-CPS-0416) for 2004.5-2016 Duramax LLY / LBZ / LMM / LML

SKU: FPE-HAR-DMAX-CPS-0416
$24.24

The Fleece Crankshaft Position Sensor Pigtail (FPE-HAR-DMAX-CPS-0416) is a durable, direct-fit replacement harness for 2004.5–2016 GM Duramax diesel engines (LLY, LBZ, LMM, LML). Made with OEM-style connectors and automotive-grade wiring, it repairs damaged crankshaft position sensor connectors to restore accurate engine timing and performance, helping prevent misfires, hard starts, and error codes.

 

Replaces PT2547 and AC Delco 13576413

Fleece Donaldson P553203 Fuel Filters – 12 Pack (FPE-DON-P553203-12) for 1998.5-2018 Cummins 5.9L / 6.7L & 2011-2024 Duramax LML / L5P

SKU: FPE-DON-P553203-12
$293.99

The Fleece Donaldson P553203 Fuel Filters (12-Pack) provide high-quality filtration for diesel trucks, compatible with 1998.5–2018 Cummins 5.9L/6.7L and 2011–2024 Duramax LML/L5P engines. Manufactured by Donaldson and distributed by Fleece Performance, these filters meet or exceed OEM standards, ensuring engine protection, fuel system integrity, and long-term reliability. Ideal for fleet maintenance or extended use, the 12-pack offers excellent value and convenience.

Fleece Oil Cooler Adapter O-ring Kit (FPE-DMAX-OCADPT-ORING-KIT) for 2001-2016 Duramax LB7 / LLY / LBZ / LML

SKU: FPE-DMAX-OCADPT-ORING-KIT
$9.91

The Fleece Oil Cooler Adapter O-ring Kit (FPE-DMAX-OCADPT-ORING-KIT) is a durable, OEM-compatible replacement kit by Fleece Performance Engineering, designed for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LML). It includes all necessary O-rings to reseal the oil cooler adapter, helping prevent oil leaks and maintain engine performance—ideal for routine maintenance or oil cooler servicing.

Fleece Performance Billet Oil Cap Red (FPE-DMAX-OC-RED) for 2001-2016 Duramax LB7 / LLY / LBZ

SKU: FPE-DMAX-OC-RED
$44.08

The Fleece Performance Billet Oil Cap Red (FPE-DMAX-OC-RED) is a high-quality aftermarket upgrade for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ). Made from durable billet aluminum with a red anodized finish, it offers a secure fit, corrosion resistance, and enhanced engine bay aesthetics—combining style and function for Duramax owners.

Fleece Performance Billet Oil Cap Blue (FPE-DMAX-OC-BLU) for 2001-2016 Duramax LB7 / LLY / LBZ

SKU: FPE-DMAX-OC-BLU
$44.08

The Fleece Performance Billet Oil Cap Blue (FPE-DMAX-OC-BLU) is a durable, anodized aluminum upgrade for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ). It offers a secure, leak-free seal and enhances engine bay aesthetics with its vibrant blue finish. Designed for a precise fit, it replaces the factory cap with a corrosion-resistant, high-performance alternative ideal for diesel enthusiasts seeking improved function and style.

Fleece Performance Billet Oil Cap Black (FPE-DMAX-OC-BLK) for 2001-2016 Duramax LB7 / LLY / LBZ

SKU: FPE-DMAX-OC-BLK
$44.08

The Fleece Performance Billet Oil Cap Black (FPE-DMAX-OC-BLK) is a durable, high-quality aluminum replacement for 2001–2016 GM Duramax diesel engines. It features a sleek black anodized finish for corrosion resistance and improved aesthetics. Designed for a perfect fit, it ensures a secure seal to maintain oil pressure and prevent leaks, making it ideal for both performance enthusiasts and daily drivers.

Fleece Auxiliary Heated Fuel Filter Kit (FPE-DMAX-HFFBA-1116) for 2011-2016 Duramax LML

SKU: FPE-DMAX-HFFBA-1116
$439.90

The Fleece Auxiliary Heated Fuel Filter Kit (FPE-DMAX-HFFBA-1116) is an upgrade for 2011–2016 GM Duramax LML diesel engines that improves fuel system reliability, especially in cold weather. It features a high-quality auxiliary fuel filter with a built-in heating element to prevent fuel gelling, while also removing contaminants and water. Designed for durability and easy plug-and-play installation, it enhances engine protection and extends fuel system life.

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Fleece CP3 Adapter (FPE-DMAX-CP3-ADPT) for 2001-2016 Duramax 6.6L LB7/ LLY / LBZ / LMM / LML

SKU: FPE-DMAX-CP3-ADPT
$73.49

The Fleece CP3 Adapter (FPE-DMAX-CP3-ADPT) is a precision-engineered component for 2001–2016 GM Duramax 6.6L diesel engines. It enables the replacement of the less reliable factory CP4 fuel pump with a more dependable CP3 pump, particularly beneficial for LML models. Designed for durability and proper fitment, the adapter enhances fuel system reliability and performance, making it ideal for high-horsepower or heavy-duty use.

Fleece Performance Bosch CP3 (FPE-DMAX-CP3) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML

SKU: FPE-DMAX-CP3
$1,410.10

The Fleece Performance Bosch CP3 (FPE-DMAX-CP3) is a durable, high-performance replacement fuel injection pump for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). Known for its reliability and ability to support higher horsepower, it restores proper fuel pressure and flow, making it a preferred upgrade over the less reliable stock CP4 pumps. Ideal for both replacements and performance upgrades, it’s trusted by diesel enthusiasts and professionals.