Fits select 2001-2010 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 models (6.6L Duramax).

This Fuel Pressure Regulator (FPR) wiring harness is a precision-engineered solution for failing or damaged factory connections on the 6.6L Duramax engine. As factory wiring ages, it becomes brittle from heat and vibration, often leading to erratic fuel pressure signals or engine limp mode. This harness serves as a direct-fit replacement for discontinued GM factory parts, ensuring your fuel system communicates accurately with the ECM.

Fleece Performance manufactures these harnesses in-house with a focus on longevity and signal integrity. The production process utilizes fully automated wire cutting and terminal crimping to maintain exact tolerances and high-pull strength for every connection.

• Direct replacement for discontinued GM Part Numbers: 97378671 and 97327685
• Fully automated manufacturing for consistent terminal crimp quality
• Engineered to withstand the high-heat environment of the Duramax engine bay
• Application: 2001-2010 6.6L Duramax FPR harness
• Manufacturer Part Number: FPE-HAR-DMAX-FPR

Fits 2003-2018 Dodge and Ram 2500 and 3500 trucks equipped with the Cummins diesel engine.

This Fleece Performance replacement starter solenoid connector is designed to repair a damaged or brittle factory engine starter harness. To ensure a reliable electrical connection and long-term durability, the pigtail is produced using a fully automated wire cutting and terminal crimping process. The 6-inch lead provides ample length for easy integration into the existing engine harness.

• 6-inch pigtail lead for flexible installation
• Automated wire cutting and precision terminal crimping
• Includes heat-sealable butt-splice connector for a weather-tight repair
• Manufacturer Part Number: FPE-HAR-CUMM-ST-PT-0318

Fits 2007-2022 Dodge Ram 2500 and 3500 trucks with the 6.7L Cummins diesel engine.

This Fleece Performance turbine speed sensor pigtail provides a reliable repair solution for damaged or corroded wiring on Holset variable geometry turbochargers. Each 6-inch pigtail is produced in-house using a fully automated manufacturing process for precise wire cutting and terminal crimping, ensuring a high-quality connection that restores signal integrity to the engine control module. This kit includes heat-sealable butt-style connectors to protect the repair against moisture and vibration in the harsh engine bay environment.

• Replaces Cummins part number: 3164369
• Fits Holset turbocharger models: HE351VE, HE300VE/VG, HE400VG, and HE451VE
• Compatible with speed sensor part numbers: 4032068, 4032173, 4032315, 4032316, 4307345, 5327846, 5550064, and 40341980
• Features 6-inch pigtail with pre-terminated connector
• Includes heat-sealable butt connectors for a secure installation
• Manufacturer Part Number: FPE-HAR-CUMM-SP-PT

Fits select 2006-2007 Dodge Ram 2500 and 3500 (5.9L).

Restore reliable operation to your 48RE transmission with this Fleece Performance Neutral Safety Switch (NSS) connector pigtail. Designed as a direct replacement for brittle or damaged factory connectors on 2006-2007 Dodge Ram trucks equipped with the 5.9L Cummins engine, this repair harness ensures a secure electrical connection to prevent starting issues or incorrect gear signaling.

Fleece Performance produces these pigtails in-house using a fully automated wire cutting and terminal crimping process, ensuring high-tolerance assembly and long-term durability. Each pigtail features 6 inches of lead wire and includes a heat-sealable butt-splice connector to protect the repair from moisture and corrosion.

• Replacement 48RE neutral safety switch connector
• 6-inch pigtail lead length
• Automated wire cutting and terminal crimping for OE-level reliability
• Includes heat-sealable butt-splice connector
• Manufacturer Part Number: FPE-HAR-CUMM-NSS-PT

Fits select 2007.5-2018 Dodge Ram 2500 and 3500 trucks (6.7L Cummins).

Repair damaged or brittle wiring at the Manifold Absolute Pressure (MAP) sensor with this Fleece Performance MAP Sensor Pigtail. Over time, high engine bay temperatures and vibration can cause the factory connector to fail, leading to intermittent signals and sensor error codes. This pigtail provides a reliable, direct-replacement solution to restore a secure electrical connection between the MAP sensor and the ECU.

• Designed for 2007.5-2018 Dodge Ram 2500/3500 6.7L Cummins applications
• Replaces damaged or corroded factory MAP sensor connectors
• Features pre-terminated, color-coded leads for straightforward installation
• Maintains proper signal integrity for engine management
• Manufacturer Part Number: FPE-HAR-CUMM-MAP-0718-PT

Fits select 2006-2022 Dodge and Ram 2500/3500 (5.9L / 6.7L) trucks.

This Fleece Performance injector harness connector is designed to replace damaged or corroded factory connections between the fuel injector harness and the valve cover wiring harness. Each connector features a 6-inch pigtail, providing ample lead length for clean splicing into the existing engine harness. Manufactured using fully automated wire cutting and terminal crimping, these connectors ensure reliable electrical conductivity and OE-level fitment to keep your Cummins engine running efficiently.

Installation is streamlined with the inclusion of heat-sealable butt-style connectors, which provide a moisture-resistant seal once crimped and heated. Note that two of these connectors are typically utilized on the engine.

• Manufacturer Part Number: FPE-HAR-CUMM-INJ-PT
• Replaces Cummins Part Numbers: 5395297, 4918587
• Pigtail Length: 6 inches
• Wire Processing: Automated cutting and terminal crimping
• Includes: Heat-sealable butt connectors

Fits 2003-2005 Dodge Ram 2500 and 3500 trucks (5.9L Cummins).

This Fleece Performance replacement 4-pin connector and 6-inch pigtail is designed to restore a reliable electrical connection at the fuel injector wiring harness. Specifically engineered for where the main harness mates to the rocker box wiring harness, this pigtail solves common connectivity issues caused by brittle or corroded OE connectors on 5.9L Cummins engines.

• 6-inch pigtail length allows for flexible splicing and routing
• Fully automated wire cutting and terminal crimping ensures consistent electrical contact
• Includes heat-sealable butt-style connectors for a moisture-resistant and secure installation
• Replaces the connector at the rocker box mating point
• Manufacturer Part Number: FPE-HAR-CUMM-INJ-0305-PT

Fits 2019-2024 Ram 2500 and 3500 trucks (6.7L Cummins).

The Fleece Performance cooling fan extension harness allows you to repair a broken or damaged harness without the significant expense of replacing the entire fan and clutch assembly. This harness is mounted directly to the fan assembly and serves as the critical bridge connecting the fan to the vehicle chassis harness.

Produced in-house, these harnesses are manufactured using a fully automated process including wire cutting and terminal crimping. This ensures high-quality electrical connections and exact tolerances, providing a reliable fix to get your truck back on the road with a fully functional cooling system.

• Replaces damaged or frayed fan extension wiring
• Eliminates the need for full fan and clutch assembly replacement
• In-house manufactured with automated cutting and crimping
• Mounts to fan assembly for secure connection to chassis harness
• Manufacturer Part Number: FPE-HAR-CUMM-FAN-1924

Fits select 2013-2018 Ram 2500 and 3500 trucks (6.7L Cummins).

The Fleece Performance cooling fan extension harness allows for a cost-effective repair of the cooling fan circuit on 2013-2018 Cummins-equipped Ram trucks. Instead of replacing the entire fan and clutch assembly due to a broken or damaged harness, this component provides a direct replacement for the harness section mounted to the fan assembly. It ensures a secure connection between the fan and the mating chassis harness, maintaining proper cooling system communication and performance.

• Replaces damaged wiring without needing a new fan and clutch assembly
• Mounts directly to the fan assembly and connects to the chassis harness
• Mates with Fleece Performance chassis side pigtail (MPN: FPE-HAR-CUMM-CF-1322)
• Manufactured in-house with fully automated wire cutting and terminal crimping
• Manufacturer Part Number: FPE-HAR-CUMM-FAN-1318

Fits select 2013-2024 Ram 2500, 3500, 4500, and 5500 trucks (6.7L).

Restore reliable electrical connectivity to your Cummins engine control module with this Fleece Performance 96-pin ECM connector repair kit. This kit provides a direct solution for damaged, melted, or corroded factory connector housings, allowing you to repair the harness rather than replacing the entire engine loom. The gray color-coding ensures correct port identification during installation on the ECM.

• 96-pin terminal configuration
• Color-coded gray housing for precise port matching
• Includes replacement terminals for secure wire pinning
• Direct replacement for OE-style 96-pin connectors
• Manufacturer Part Number: FPE-HAR-CUMM-ECM-96-GY

Fits 2013-2024 RAM 2500, 3500, 4500, and 5500 models (6.7L).

The Fleece Performance 96 Pin (Green) ECM Connector Repair Kit provides a professional-grade solution for damaged or corroded engine control module wiring. Rather than replacing the entire engine harness, this kit allows you to rebuild the specific connection to the ECM, restoring critical signal integrity between the engine sensors and the controller. Each kit is designed to match OE terminal and housing specifications for a secure, weather-sealed fit.

• 96-pin configuration specifically for the Green ECM port
• Includes heavy-duty connector housing, terminals, and seals
• Restores reliable electrical contact at the engine control module
• Replaces damaged factory connectors caused by heat, vibration, or moisture
• Manufacturer Part Number: FPE-HAR-CUMM-ECM-96-GR

Fits 2013-2024 RAM 2500, 3500, 4500, and 5500 trucks equipped with the 6.7L Cummins turbo diesel engine.

Electrical issues at the Engine Control Module (ECM) are often traced back to corroded, loose, or heat-damaged terminals within the main harness connector. This Fleece Performance ECM Connector Repair Kit provides a direct solution for restoring a reliable electrical connection without the expense and labor of replacing the entire engine wiring harness. This kit features the 96-pin brown connector housing, ensuring a precise match for the factory interface.

• 96-pin (Brown) configuration specific to the 6.7L Cummins ECM
• Engineered for a secure, OE-style fitment to restore signal integrity
• Replaces damaged or brittle factory connector housings
• Manufacturer Part Number: FPE-HAR-CUMM-ECM-96-BR

Fits select 2013-2024 RAM 2500, 3500, 4500, and 5500 trucks (6.7L Cummins).

The Fleece Performance ECM Connector Repair Kit provides a reliable solution for damaged, corroded, or melted 96-pin engine control module connectors. This blue-coded connector housing is a common failure point on Cummins engine harnesses due to moisture intrusion or vibration. This kit allows technicians and owners to repair the existing harness at the connector interface, restoring signal integrity between the ECM and vital engine sensors without the expense of a full harness replacement.

• Genuine 96-pin configuration with blue color-coding
• Restores proper electrical connection to the Engine Control Module
• Designed specifically for the 6.7L Cummins diesel engine harness
• High-quality materials to resist heat and environmental contaminants
• Manufacturer Part Number: FPE-HAR-CUMM-ECM-96-BL

Fits 2003-2012 Dodge Ram 2500 and 3500 (6.7L).

Restore the critical connection to your engine cooling fan with the Fleece Performance Cooling Fan Pigtail kit. When a serpentine belt fails, it often severs the wiring to the fan clutch. This kit is designed to repair that damage by providing both sides of the connector with 6-inch flying leads, allowing for a complete harness repair on both the engine and component sides.

Produced in-house with precision, Fleece Performance uses a fully automated wire cutting and terminal crimping process. This ensures consistent terminal tension and high-quality connections that stand up to the vibration and heat of the Cummins engine bay. It is a direct solution to get your truck back on the road with a reliable cooling system.

• Manufacturer Part Number: FPE-HAR-CUMM-CF-0312
• Lead Length: 6-inch flying leads
• Configuration: Includes both male and female connector sides
• Manufacturing: Fully automated wire cutting and terminal crimping
• Application: Repairs cooling fan clutch harness damage

Fits select 2002-2022 Dodge, Ram, and Chrysler vehicles (6.7L).

This 6-inch replacement alternator pigtail from Fleece Performance provides a robust solution for damaged, brittle, or corroded factory connectors. To ensure maximum reliability and a secure electrical connection, each harness is produced in-house using a fully automated process for precision wire cutting and terminal crimping. While primarily used as an alternator pigtail for the 6.7L Cummins engine, this versatile connector also serves as a direct replacement for various lighting and sensor circuits across multiple Dodge and Chrysler applications.

• Direct replacement for 2007-2022 Ram alternator connectors
• Precision manufactured with automated wire cutting and terminal crimping
• Includes two heat-sealable butt-style connectors for a weather-tight installation
• Heavy-duty 6-inch lead length for easy splicing
• Manufacturer Part Number: FPE-HAR-CUMM-ALT-0722

Specific Application Notes:

• Alternator: 2007-2022 Dodge Ram
• ABS Speed Sensor: 2007-2015 Dodge Ram
• Reverse Light: 2005-2015 Dodge Ram
• License Plate Light: 2002-2010 Dodge Ram
• Parking Light: 2007-2010 Dodge Ram
• Horn: 2006-2010 Chrysler
• Washer Fluid Level Sensor: 2006-2007 Chrysler

Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L).

The Fleece Performance CP3 Regulator Extension Harness (FPE-HAR-CP3-EXT) provides a reliable, plug-and-play solution for extending the fuel pressure regulator connection on Bosch CP3 high-pressure injection pumps. This harness is an essential component for 6.6L Duramax owners performing fuel system modifications or CP3 conversions, providing the necessary length to reach the regulator without putting stress on the factory wiring loom or requiring permanent modifications to the vehicle harness.

• Seamless Integration: Features OE-style connectors for a secure, weather-sealed connection that clicks into place like a factory part.
• Zero Splicing: Fully plug-and-play design eliminates the need for cutting, soldering, or heat-shrinking, preserving the integrity of your electrical system.
• Application Specific: Engineered specifically for the Bosch CP3 regulators used in 2011-2016 LML Duramax applications.
• Durable Construction: Built with high-quality automotive-grade wiring to withstand the heat and vibration of the engine bay.
• Manufacturer Part Number: FPE-HAR-CP3-EXT

Vehicle Fitment

• 2011-2016 Chevrolet Silverado 2500 HD / 3500 HD (6.6L)
• 2011-2016 GMC Sierra 2500 HD / 3500 HD (6.6L)

Fits 2013-2018 Ram 2500 and 3500 trucks (6.7L Cummins).

The Fleece Performance Intake Air Temperature (IAT) sensor extension harness is a specialized solution for diesel owners installing aftermarket intake systems or relocating factory components. When factory wiring is too short to reach a new sensor location, this harness provides the necessary length without the reliability risks of cutting and splicing the OEM wiring.

Built with automotive-grade materials and factory-style connectors, this extension ensures a secure, moisture-resistant connection that maintains signal integrity for accurate ECU readings. This is a true plug-and-play component that simplifies installation and keeps your engine bay looking professional.

• Direct Application: Designed specifically for the 2013-2018 6.7L Cummins platform.
• OEM Quality Connectors: Features correct terminal ends for a positive lock with factory sensors and harnesses.
• Plug-and-Play: No wire stripping, soldering, or pinning required.
• Manufacturer Part Number: FPE-HAR-67-IAT-EXT

Fits select 2001-2016 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 models with Duramax diesel engines.

When upgrading to an aftermarket positive displacement lift pump like the Fleece PowerFlo, the factory fuel primer bulb becomes a redundant component and a common source of air leaks in the fuel system. The Fleece Performance Fuel Primer Bulb Sealing Kit allows you to eliminate this failure point entirely, streamlining your fuel delivery path for better reliability.

The kit features a precision-machined sealing cap equipped with an integrated 1/8" NPT port. This provides a convenient location to plumb a low-pressure fuel gauge for monitoring your lift pump performance, or it can be sealed using the included NPT plug. This is an essential modification for Duramax owners seeking a more robust fuel system architecture.

• Replaces the leak-prone factory primer bulb
• Includes integrated 1/8" NPT port for fuel pressure monitoring
• Machined for a precise seal on factory mounting points
• Compatible with aftermarket lift pump installations
• Manufacturer Part Number: FPE-GM-FFPD-0116

Kit Includes: Fuel primer cap, 1/8" NPT plug, required fasteners, and installation instructions.

Fits 2003-2007 Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 models, including Classic editions (6.6L).

The Fleece Performance All Lights On Module is a targeted electrical upgrade that allows your high-beams, low-beams, and fog lamps to illuminate simultaneously when the high-beam switch is engaged. This modification ensures maximum light output for nighttime driving while maintaining standard factory operation for low-beams and fog lights during normal use.

• Simultaneous illumination of high-beams, low-beams, and fog lamps
• Includes a spade terminal to provide a signal ground for controlling an accessory relay
• Preserves factory light functionality when high-beams are disengaged
• Simple installation within the factory under-hood fuse box
• Manufacturer Part Number: FPE-GM-ALO-37

Installation Technical Note: Installation requires the temporary removal of the FOG LP, HDLP-LOW, DRL, and HDLP-HI relays. The module board is positioned in the fuse box, and the factory relays are reinstalled over it. The supplied spade terminal is designed strictly as a signal-level ground for relay control and is not intended for high-amperage grounding applications.

Fits select 2011-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD (LML Duramax).

The Fleece Performance Return Fuel Pressure Test Port is a critical diagnostic tool for the LML Duramax platform. Designed to assist technicians and truck owners in troubleshooting the fuel system, this port is especially valuable when diagnosing potential CP4 high-pressure pump failures. When installed in the return fuel system, it provides a dedicated point to connect a pressure gauge and monitor return-side fuel pressure under operating conditions.

By allowing for precise pressure measurements, this component helps identify fuel restrictions or pump wear before they result in major engine damage. It is a direct-fit solution that integrates seamlessly into the factory return lines for a reliable seal during testing.

• Facilitates accurate return fuel pressure diagnostics
• Essential for monitoring CP4 pump health and system performance
• Installs directly into the return fuel side for gauge connection
• Specifically engineered for LML Duramax 6.6L engines
• Manufacturer Part Number: FPE-FPTP-GM-1116

Fits select 2011-2026 Ford F-250 and F-350 Super Duty trucks (6.7L Powerstroke). This Fleece Performance under-hood filter assembly is engineered to replace the failure-prone plastic OE housing. Factory filters are notorious for cracking and causing fuel leaks; this heavy-duty upgrade eliminates that risk with a precision-machined billet aluminum cap and high-strength fittings.

Designed as a direct drop-in replacement, this assembly locks into the factory mounting location and converts the system to use a high-efficiency Donaldson spin-on filter. The kit includes a steel adapter fitting and anodized billet aluminum quick-disconnect fittings to ensure a secure, leak-free connection. This setup is compatible with 2011-2024 trucks equipped with an S&S DCR Conversion or Disaster Prevention Kit.

• Material: Heavy-duty anodized billet aluminum cap and fittings
• Filter Type: Replaceable Donaldson spin-on filter (P555095)
• Installation: Drop-in replacement for factory under-hood filter
• Application Support: Includes additional quick-disconnect for 2017-2026 fuel return requirements
• Included Components: FPE-34552-A, FPE-34550-A, FPE-34781-A, FPE-FF-M16-ADPT, FPE-SP-3416, and an extra Donaldson P555095 filter
• MPN: FPE-FMC-UHFA-1123

Fits select 2011-2025 Ford F-250 and F-350 Super Duty trucks (6.7L Power Stroke).

Replace the fragile factory plastic thermostat housing on your 6.7L Power Stroke with this high-strength cast aluminum upgrade from Fleece Performance. The original equipment plastic housing is a known failure point, frequently becoming brittle and cracking over time. These cracks lead to coolant leaks, low coolant levels, and potential engine overheating. This direct-replacement component provides a permanent solution, maintaining a reliable seal where the thermostat housing meets the coolant crossover manifold.

This housing is a drop-in upgrade designed to work seamlessly with all factory and aftermarket thermostats. The kit includes new O-rings to ensure a professional, leak-free installation. Whether you are addressing an active leak or performing preventative maintenance during a coolant flush, this aluminum housing eliminates the risk of plastic fatigue.

• Durable cast aluminum construction replaces OE plastic
• Direct drop-in replacement for a precise fit
• Compatible with factory and replacement thermostats
• Includes new O-rings for a complete seal
• Replaces Ford part number RH315 (LC3Z8592B) and Dorman 902-1074
• Manufacturer Part Number: FPE-FMC-TH-1125

Fits select 2011-2016 Ford F-250 and F-350 Super Duty trucks equipped with the 6.7L Power Stroke diesel engine.

Upgrade your fuel system maintenance with the Fleece Performance under-bed fuel filter. This drop-in replacement allows 6.7L Power Stroke owners to service the frame-mounted filter independently, eliminating the need to purchase a complete filter kit when only the under-bed component requires replacement. Engineered for superior filtration, this unit provides higher particulate removal efficiency across the entire filter range compared to standard options, maintaining protection even at high flow rates.

For a complete filtration overhaul, this filter is designed to pair perfectly with the Fleece Performance engine-mounted filter assembly (FPE-FMC-UHFA-1123). It serves as a high-performance alternative to the under-bed filter found in the Motorcraft FD-4615 kit, ensuring your fuel system remains free of contaminants that can damage high-pressure common rail components.

• Manufacturer Part Number: FPE-FMC-FFUB-1116
• Direct Replacement: Replaces the under-bed filter from Motorcraft kit FD-4615
• Enhanced Efficiency: Improved particulate removal across all flow ranges
• Serviceability: Allows for independent replacement of the frame-mounted filter
• Compatibility: 2011-2016 Ford Super Duty (6.7L Power Stroke)

Fits 2011-2024 Ford F-250 and F-350 Super Duty (6.7L Powerstroke).

The Fleece Performance Under Hood Fuel Filter Bypass is a robust solution for 6.7L Powerstroke owners who have upgraded to an aftermarket lift pump or auxiliary fuel filtration system. The factory plastic under-hood filter housing is known to be crack-prone; this bypass eliminates that potential failure point while simplifying your fuel system plumbing. It is a direct, drop-in replacement that requires no cutting, splicing, or permanent modification of your original equipment (OE) fuel lines.

Engineered for versatility across the 6.7L engine's lifespan, this kit includes everything needed for a seamless install. For 2011-2016 trucks, the bypass utilizes a standard inlet and outlet configuration. For 2017-2024 models, an additional quick-disconnect fitting is provided to handle the required fuel return line. This component is machined from billet aluminum and anodized for long-term durability in harsh engine bay environments.

• Replaces crack-prone factory plastic under-hood fuel filter housing
• Direct drop-in installation with no fuel line modifications required
• Precision-machined billet aluminum bypass block with black anodized finish
• Includes heavy-duty quick-disconnect fittings for a secure seal
• Accommodates both early (2011-2016) and late (2017-2024) fuel return configurations
• Manufacturer Part Number: FPE-FMC-FFB-1124

Note: This bypass removes the factory under-hood filtration and should only be used in conjunction with an auxiliary fuel filtration system (such as FASS or AirDog) that meets or exceeds OEM filtration specifications.

Fits select 2017-2024 Ford F-250 and F-350 Super Duty (6.7L Powerstroke).

The factory plastic injector return connector on the 2017-2024 6.7L Powerstroke is highly susceptible to heat soak and vibration, often failing or breaking during routine fuel filter maintenance. The Fleece Performance injector return line repair fitting (P/N: FPE-FMC-FF-RLK-1724) replaces that fragile component with a heavy-duty, machined billet aluminum housing designed for longevity.

This upgrade features a dual O-ring internal design for a superior seal and includes a serviceable billet aluminum barb fitting. It is a direct fit for both OEM and aftermarket under-hood fuel filter assemblies, such as Fleece P/N: FPE-FMC-UHFA-1123, ensuring your fuel system remains secure and leak-free through years of service.

• Precision machined billet aluminum housing replaces fragile plastic factory units
• Dual O-ring internal seal for enhanced leak protection
• Serviceable billet aluminum barb fitting for long-term maintenance
• Easy to install and remove during routine filter changes
• Designed for use with OEM and aftermarket filter assemblies
• Manufacturer Part Number: FPE-FMC-FF-RLK-1724

Fits 2011-2016 Ford F-250 and F-350 Super Duty trucks (6.7L).

The plastic factory injector return fitting on the 6.7L Powerstroke is a known failure point, susceptible to cracking from engine heat, vibration, and the stresses of fuel filter maintenance. The Fleece Performance injector return line repair fitting replaces this fragile component with a heavy-duty billet aluminum housing, preventing leaks and ensuring you aren't stranded by a non-repairable fuel line.

This fitting features a dual O-ring internal design for a superior seal and includes a serviceable billet aluminum barb fitting. It is fully compatible with OEM fuel filter assemblies as well as the Fleece Performance under-hood fuel filter assembly (P/N: FPE-FMC-UHFA-1123). This kit provides a durable, long-term solution for maintaining your fuel system's integrity.

• Manufacturer Part Number: FPE-FMC-FF-RLK-1116
• Material: Heavy-duty machined billet aluminum housing
• Sealing: Internal dual O-ring design for increased sealing reliability
• Features: Serviceable billet aluminum barb fitting
• Includes: Injector return fitting with locking tab and O-rings
• Compatibility: Works with OEM and Fleece P/N: FPE-FMC-UHFA-1123 filter assemblies

Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD (6.6L Duramax LML).

This Fleece Performance replacement high-pressure fuel line is engineered specifically for 6.6L LML Duramax engines equipped with CP3 conversion kits. It provides a reliable, direct-fit solution for maintaining the critical high-pressure connection between the fuel pump and the rail, ensuring consistent fuel delivery in high-performance diesel applications.

As a service component for existing CP3 setups, this line is a direct replacement for the hardware found in several Fleece Performance conversion systems. It is built to the same strict tolerances as the original kit components to handle the high-stress demands of the common rail system without leaks or vibration fatigue.

• Manufacturer Part Number: FPE-FL-LML-CP3-HP
• Application: Designed for 6.6L LML Duramax CP3 conversions.
• Compatibility: Replaces the high-pressure line originally included in Fleece kit part numbers FPE-LML-CP3-NP, FPE-LML-CP3-WP, and FPE-LML-CP3-FF-10.
• Construction: High-tensile fuel line with precise bends for factory-style routing.

Vehicle Fitment

Fits select 2006-2010 Chevrolet Silverado and GMC Sierra 2500 HD/3500 and 2500/3500 Classic models (6.6L Duramax LBZ / LMM).

High-pressure fuel lines on the Duramax LBZ and LMM engines are subject to extreme heat cycles and vibration, which can lead to corrosion, stress cracking, and dangerous fuel leaks. The Fleece Performance High Pressure Injection Line Kit offers a comprehensive 8-piece solution to restore your fuel system's integrity. These lines are precision-engineered as direct-fit replacements for the factory components, ensuring a secure seal between the common rail and the fuel injectors without the need for modification.

• Complete set includes all 8 high-pressure lines required for a full engine service
• Direct replacement for cracked, corroded, or leaking factory injector lines
• Engineered for precise fitment and factory-level sealing tolerances
• Essential for maintaining consistent fuel rail pressure and preventing engine bay fires
• Manufacturer Part Number: FPE-FL-DMAX-LBZLMM-SET

Replaces the following GM OE Part Numbers:

• 98006523 (Qty 2)
• 98006527 (Qty 2)
• 98006524 (Qty 2)
• 98006526 (Qty 2)

Fits select 2007-2018 Dodge and Ram 2500/3500 trucks (6.7L Cummins).

Restore the integrity of your common rail fuel system with this complete high-pressure fuel injection line set from Fleece Performance. Over time, factory lines can become brittle, develop micro-cracks, or leak at the fittings due to vibration and heat cycles. These Fleece Performance lines are designed as direct-fit replacements for the original equipment, ensuring a leak-free seal and proper fuel delivery to your injectors.

• Direct replacement for cracked, corroded, or leaking high-pressure lines
• Precision-bent for exact fitment within the 6.7L engine bay
• Complete six-line set covers all cylinders
• Manufacturer Part Number: FPE-FL-CUMM-6.7-SET

Kit Contents:

• (1) Cylinder 1 Line: FPE-FL-CUMM-6.7-1
• (2) Cylinder 2 & 3 Lines: FPE-FL-CUMM-6.7-23
• (2) Cylinder 4 & 5 Lines: FPE-FL-CUMM-6.7-45
• (1) Cylinder 6 Line: FPE-FL-CUMM-6.7-6

This Fleece Performance universal Y-configuration barbed fitting is designed for splitting or merging fluid paths in high-performance plumbing systems. Precision-machined from lightweight aluminum, this fitting is engineered specifically for use with 3/8-inch (-6) pushlock-style hoses, providing a secure and reliable connection without the need for traditional hose clamps in many low-pressure applications.

• Material: High-grade aluminum construction
• Finish: Black anodized for superior corrosion resistance and a clean aesthetic
• Configuration: Y-style barbed fitting
• Compatibility: Designed for -6 (3/8") Pushlock hose
• Application: Universal
• Manufacturer Part Number: FPE-FIT-Y06-BLK