Fleece Performance Engineering
Fleece VP Crankshaft and Camshaft Sensor Pigtail (FPE-HAR-CUMM-VP-CC-PT) for 1998.5-2002 Cummins 5.9L & 1994-2003 Powerstroke 7.3L
The Fleece Performance Crankshaft and Camshaft Sensor Pigtail (FPE-HAR-CUMM-VP-CC-PT) is a durable, high-quality replacement wiring solution for 1998.5–2002 Cummins 5.9L and 1994–2003 Powerstroke 7.3L diesel engines. Designed with OEM-style connectors and high-temp wiring, it ensures reliable sensor connections for accurate engine timing. Ideal for repairing damaged connectors or customizing engine harnesses, it offers a secure fit and long service life, backed by Fleece Performance’s quality standards.
Fleece Fuel Filter Delete (FPE-FFD-RO-5G) for 2019-2022 Cummins 6.7L
The Fleece Performance Fleece Fuel Filter Delete (FPE-FFD-RO-5G) is an aftermarket upgrade for 2019–2022 Ram trucks with the 6.7L Cummins diesel engine. Designed for vehicles with upgraded filtration systems like FASS or AirDog, it replaces the factory engine-mounted fuel filter. Made from durable billet aluminum with a black anodized finish, it features an integrated return fuel check valve to maintain proper fuel flow and pressure. This component simplifies the fuel system while enhancing reliability, performance, and engine bay aesthetics.
Fleece Freedom Series Cummins Cylinder Head – Street (FPE-61-10005) for 2003-2007 Cummins 5.9L
The Fleece Freedom Series Cummins Cylinder Head – Street (FPE-61-10005) is a high-quality, fully assembled replacement for 2003–2007 5.9L Cummins engines. Designed for street-driven trucks, it features upgraded valve springs, hardened valve seats, and stronger casting to handle increased boost and power. Built to meet or exceed OEM standards, it offers exceptional reliability and performance, making it ideal for Cummins owners seeking durability without sacrificing drivability.
Fleece Spring and Retainer Set (FPE-34797) for 1998.5-2018 Cummins 5.9L / 6.7L
The Fleece Spring and Retainer Set (FPE-34797) is a high-performance upgrade for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. It includes heavy-duty valve springs and steel retainers designed to handle higher boost and RPMs, preventing valve float and improving valvetrain stability. Ideal for performance and towing, this direct-fit kit enhances engine durability and response, making it a popular choice among Cummins owners.
Fleece Performance Coolant Bypass® (FPE-CLNTBYPS-CUMMINS-1318) for 2013-2018 Cummins 6.7L
The Fleece Performance Coolant Bypass® (FPE-CLNTBYPS-CUMMINS-1318) is an aftermarket upgrade for 2013–2018 Cummins 6.7L engines. It improves coolant flow to the rear cylinders, reducing pressure and helping prevent head gasket failure under stress. Designed for durability and better thermal control, it enhances engine longevity and includes all necessary parts for easy installation—making it a favored option for performance and reliability among diesel truck owners.
Fleece CP3 Conversion Hardware Kit – No Pump (FPE-LML-CP3-NP) for 2011-2016 Duramax LML
The Fleece CP3 Conversion Hardware Kit – No Pump (FPE-LML-CP3-NP) is designed for 2011-2016 GM Duramax LML engines to replace the unreliable factory CP4 injection pump with a more durable CP3 pump (not included). This upgrade enhances fuel system reliability and performance. The kit includes all necessary hardware for easy installation and is ideal for Duramax owners seeking improved dependability without sacrificing power or efficiency.
Fleece Freedom Series Cummins Cylinder Head -Street (FPE-61-10007) for 2007.5-2018 Cummins 6.7L
The Fleece Freedom Series Cummins Cylinder Head (FPE-61-10007) is a high-quality, direct replacement for 2007.5–2018 Dodge Ram trucks with 6.7L Cummins engines. Built for durability and performance, it features stronger castings, precision-machined surfaces, and comes fully assembled with new valves, springs, and hardened seats. Designed for street use, it improves airflow and combustion efficiency, making it ideal for restoring performance or supporting mild upgrades while maintaining OEM fit and reliability.
Fleece Turbo Drain Tube Kit FPE-TURBO-INST-KIT-CUMM59 for S300/S400 (FPE-CTDT-KIT) For 03-07 5.9L Cummins
Fleece Performance FPE-CTDT-KIT turbo drain tube kit for 2003–2007 5.9 Cummins with braided hose and S300/S400 compatibility.
Fleece Replacement Sensor Connector With Pigtail (FPE-HAR-MU-PT-1) for 2001-2022 Duramax LB7 / LLY / LBZ / LMM / LML / L5P
The Fleece Replacement Sensor Connector With Pigtail (FPE-HAR-MU-PT-1) is a durable, OEM-style replacement part for 2001–2022 GM Duramax diesel engines. Designed to replace damaged or worn sensor connectors, it ensures reliable electrical connections and easy installation. Ideal for maintenance or repairs, it offers a long-lasting, cost-effective solution for restoring sensor function in LB7, LLY, LBZ, LMM, LML, and L5P engine models.
Fleece SureFlo® Performance Sending Unit (FPE-SF-CUMM-0509) for 2005-2009 Cummins 5.9L / 6.7L
The Fleece SureFlo Performance Sending Unit FPE-SF-CUMM-0509 installs in the factory sending unit location on 2005-2009 Cummins 5.9L and 6.7L trucks. It works with externally mounted lift pumps and removes the need for draw straws or tank sumps. The SureFlo bucket system helps eliminate the common ¼ tank fuel issue. It also includes a billet aluminum cap, new fuel level electronics, and universal –8 AN ports for custom fuel setups.
Fleece Coolant Bypass Kit (FPE-CLNTBYPS-CUMMINS-19) for 2019+ Ram 6.7L Cummins
One of the biggest issues on the 6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature / over-pressure condition. The Fleece Performance Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.
Cheetah® Turbo Charger (FPE-LML-VNT-63-FMW-N) for 2011-2016 Duramax LML
Fleece Freedom Series Cummins Cylinder Head – Street HD (FPE-61-10005-HD) for 2003-2007 Cummins 5.9L
The Fleece Freedom Series Cummins Cylinder Head – Street HD (FPE-61-10005-HD) is a high-performance, heavy-duty upgrade for 2003-2007 Dodge Ram trucks with 5.9L Cummins engines. Designed for durability and reliability, it’s ideal for street-driven trucks with mild performance upgrades or heavy towing demands. Fully assembled with new valves, springs, and seals, it features reinforced casting, precision machining, and improved strength to address common issues like cracking and warping. It’s a dependable choice for refreshing high-mileage engines or building a strong work truck.
Fleece High Flow Intake Horn (FPE-INTAKEHORN) for 2001-2004 Duramax LB7
The Fleece High Flow Intake Horn (FPE-INTAKEHORN) is a performance upgrade for 2001–2004 GM Duramax LB7 diesel engines. It replaces the restrictive factory intake to boost airflow, improve efficiency, enhance throttle response, and support more horsepower. Made from durable, high-quality materials for a precise fit, it’s a popular, easy-to-install choice for Duramax owners seeking better performance for towing, racing, or daily driving.
Fleece PowerFlo® 750 CP3 (FPE-DMAX-CP3-10MM) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
The Fleece Performance PowerFlo 750 CP3 for the GM Duramax is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it support 750 RWHP, but it also eliminates the factory fuel flow restiction that begins at 3,000 RPM.
Cheetah® Turbocharger (FPE-351-1920) for 2019-2022 6.7L Cummins
Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expensive kit, just bolt it on and go. Designed as a stock appearing, drop in replacement turbocharger capable of much more!
Fleece Duramax CP3K (FPE-DMAX-CP3K) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
The Fleece Performance (FPE-DMAX-CP3K) is a high-performance CP3 pump upgrade for 2001–2016 GM Duramax diesel engines. It increases fuel flow to support mild to moderate performance upgrades without compromising reliability or requiring major modifications. As a direct factory replacement, it maintains all stock fuel control systems for smooth drivability, making it ideal for towing or enhanced street and track performance.
Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10004-D) for 2011-2016 Duramax LML
The Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10004-D) is a high-performance upgrade for 2011–2016 GM trucks with Duramax LML engines. Built for durability and improved cooling, it features stronger castings, precision machining, and enhanced coolant flow. Designed as a factory-fit replacement, it comes fully assembled and ready to install, making it ideal for both daily drivers and high-performance builds.
Fleece Cheetah® Turbocharger (FPE-LB7-63) for 2001-2004 LB7 Duramax
The Fleece Cheetah® Turbocharger (FPE-LB7-63) is a high-performance, drop-in replacement for 2001–2004 GM 6.6L LB7 Duramax engines. It offers improved power, quicker spool-up, and better efficiency while maintaining stock fitment for easy installation. Featuring a custom billet compressor wheel and upgraded turbine, it enhances towing, throttle response, and horsepower without compromising reliability, making it ideal for street, towing, or light competition use.
Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10002-D) for 2004.5-2005 Duramax LLY
The Fleece Freedom Series Duramax Cylinder Head – Driver Side (FPE-61-10002-D) is a high-quality replacement part for 2004.5–2005 GM trucks with Duramax LLY engines. Built from premium materials and precisely machined, it features upgraded valve seats and guides to withstand higher pressures and temperatures. Suitable for both stock and high-performance builds, it provides strength, durability, and a reliable fit.
Fleece Coolant Bypass Manual Transmission (FPE-CLNTBYPS-CUMMINS-MAN) for 2003-2007 Cummins 5.9L
The Fleece Coolant Bypass for Manual Transmission (FPE-CLNTBYPS-CUMMINS-MAN) is an aftermarket upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins diesel engines and manual transmissions. It improves coolant flow to the rear engine cylinders, addressing overheating issues and enhancing engine longevity. Designed for durability and easy installation, the kit includes all necessary components and is favored by Cummins owners for boosting performance and reliability.
Fleece Coolant Bypass VP (FPE-CLNTBYPS-CUMMINS-VP) for 1998.5-2002 Cummins 5.9L
The Fleece Coolant Bypass VP (FPE-CLNTBYPS-CUMMINS-VP) is an aftermarket kit for 1998.5–2002 Cummins 5.9L diesel engines that improves coolant flow to the rear cylinders—a common weak point in the stock system. It helps reduce pressure spikes, stabilize engine temperatures, and prevent head gasket failures, especially in high-performance or heavy-duty use. Built with durable components, it offers a reliable, leak-free installation and enhances engine longevity and performance.
Fleece Black Dual Pump Spoke Pulley (FPE-34211-BLK-SPK) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Black Dual Pump Spoke Pulley (FPE-34211-BLK-SPK) is a high-performance billet aluminum pulley designed for 2003–2016 Cummins 5.9L and 6.7L diesel engines with dual CP3 pump setups. Featuring a black anodized, spoke-style design, it ensures precise belt alignment and enhanced durability. Ideal for high-fuel-demand applications like performance builds or towing, it boosts fuel delivery and adds a custom aesthetic to the engine bay, making it popular among diesel enthusiasts.
Fleece Dual Pump Hardware Kit (FPE-DPK-59-0307) for 2003-2007 Cummins 5.9L
The Fleece Dual Pump Hardware Kit (FPE-DPK-59-0307) is designed for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. It provides the necessary hardware—brackets, pulleys, and components—to install a second CP3 injection pump (sold separately), improving fuel delivery, throttle response, and engine efficiency for high-performance or heavy-duty use.
