Duramax: 2019-2026 (3.0L)

Duramax: 2001-2004 (LB7)

Duramax: 2004.5-2005 (LLY)

Duramax: 2006-2007 (LBZ)

Duramax: 2007.5-2010 (LMM)

Duramax: 2011-2016 (LML)

Duramax: 2017-2019 (L5P)

Duramax: 2020-2025 (L5P)

Fleece MAP Sensor and Airbox Control Valve Pigtail (FPE-HAR-MU-PT-7) for 2017-2023 Duramax L5P & 2013-2018 Cummins 6.7L

SKU: FPE-HAR-MU-PT-7
$31.96

The Fleece MAP Sensor and Airbox Control Valve Pigtail (FPE-HAR-MU-PT-7) is a durable replacement wiring harness for 2017–2023 GM Duramax L5P and 2013–2018 Ram Cummins 6.7L diesel engines. It connects the MAP sensor and airbox control valve, providing a reliable fix for damaged factory connectors. Designed for performance and ease of installation, it helps maintain accurate engine monitoring and optimal performance.

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 Heated Seat Module Connector Pigtail (FPE-HAR-HSM-PT) for 2003-2006 Duramax LB7 / LLY / LBZ & 2011-2019 Powerstroke 6.7L

SKU: FPE-HAR-HSM-PT
$62.83

The Fleece Heated Seat Module Connector Pigtail (FPE-HAR-HSM-PT) is a durable, OEM-grade replacement wiring solution for repairing or replacing damaged heated seat module connectors in select diesel trucks, including 2003–2006 GM Duramax and 2011–2019 Ford Powerstroke models. Designed for easy installation, it ensures reliable electrical connections and long-lasting performance, restoring heated seat functionality and comfort.

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 Vane Position Sensor Pigtail (FPE-HAR-DMAX-VPS-0405) for 2004.5-2005 LLY

SKU: FPE-HAR-DMAX-VPS-0405
$31.96

The Fleece Vane Position Sensor Pigtail (FPE-HAR-DMAX-VPS-0405) is a durable, plug-and-play replacement wiring harness for 2004.5-2005 GM Duramax LLY engines. Designed to replace damaged or corroded vane position sensor connectors, it ensures proper turbocharger function and engine performance. Featuring OEM-style connectors, it provides a reliable electrical connection, eliminates turbo-related error codes, and is built to withstand harsh diesel engine conditions.

Fleece Oil Pressure Sensor Pigtail (FPE-HAR-DMAX-OP-0310) for 2003-2010 Duramax LB7 / LLY / LBZ / LMM

SKU: FPE-HAR-DMAX-OP-0310
$24.24

The Fleece Oil Pressure Sensor Pigtail (FPE-HAR-DMAX-OP-0310) is a durable, OEM-style replacement harness for 2003–2010 GM Duramax diesel engines (LB7, LLY, LBZ, LMM). It repairs damaged or corroded oil pressure sensor connectors, ensuring accurate pressure readings and proper engine function. Designed for a secure, weather-resistant fit, it provides a reliable and cost-effective solution for maintenance or troubleshooting.

Fleece Oil Pressure Sensor Pigtail (FPE-HAR-DMAX-OP-0102) for 2001-2002 Duramax LB7

SKU: FPE-HAR-DMAX-OP-0102
$20.94

The Fleece Oil Pressure Sensor Pigtail (FPE-HAR-DMAX-OP-0102) is a durable, OE-style replacement wiring harness for 2001–2002 GM Duramax LB7 diesel engines. Designed to ensure accurate oil pressure readings and reliable engine monitoring, it offers a plug-and-play solution for repairing damaged connectors or during engine rebuilds, helping maintain vehicle performance and reliability.

Fleece MAP BARO Sensor Pigtail (FPE-HAR-DMAX-MAP-0107) for 2001-2007 Duramax LB7 / LLY / LBZ

SKU: FPE-HAR-DMAX-MAP-0107
$30.86

The Fleece MAP BARO Sensor Pigtail (FPE-HAR-DMAX-MAP-0107) is a direct-fit replacement connector for 2001–2007 GM Duramax diesel engines (LB7, LLY, LBZ). Designed to replace damaged or corroded MAP or BARO sensor connectors, it features OEM-style construction and durable wiring for reliable performance in harsh engine conditions. Ideal for maintenance, repairs, or troubleshooting.

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 #4 and #5 High Pressure Injection Line (FPE-FL-LLY-45) 2004.5-2005 Duramax LLY

SKU: FPE-FL-LLY-45
$77.16

The Fleece Performance High Pressure Injection Line (#4 and #5) is a durable, precision-engineered replacement part for the 2004.5–2005 GM Duramax LLY diesel engine. Designed to meet or exceed OEM standards, it ensures reliable fuel delivery and optimal engine performance for cylinders #4 and #5. Built to withstand high pressure and harsh conditions, it’s ideal for replacing worn or leaking factory lines, helping maintain fuel injection timing and engine efficiency.

 

Replaces GM Part # 97378827

Fleece #3 and #6 High Pressure Injection Line (FPE-FL-LLY-36) 2004.5-2005 Duramax LLY

SKU: FPE-FL-LLY-36
$77.16

The Fleece #3 and #6 High Pressure Injection Line is a durable, high-quality replacement for the factory fuel lines on 2004.5–2005 GM Duramax LLY diesel engines. Designed to address common issues like cracking and leaks from high pressure and heat, this upgraded line improves fuel system reliability and helps maintain engine performance. It’s a crucial upgrade for preventing potential injector or engine damage.

 

Replaces GM Part # 97378826

Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) 2004.5-2005 Duramax LLY

SKU: FPE-FL-LLY-27
$77.16

The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) is a direct-fit replacement part for 2004.5–2005 Duramax LLY diesel engines. Made by Fleece Performance Engineering, it connects cylinders #2 and #7 to the fuel rail, ensuring accurate high-pressure fuel delivery. Built from durable materials to withstand extreme conditions, it meets or exceeds OEM standards, making it a reliable choice for restoring or enhancing engine performance and fuel system durability.

 

Replaces GM Part # 97378828

Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LLY-18) 2004.5-2005 Duramax LLY

SKU: FPE-FL-LLY-18
$77.16

The Fleece Performance High Pressure Injection Line (FPE-FL-LLY-18) is a durable, OEM-quality replacement designed for the 2004.5–2005 GM Duramax LLY diesel engine. It addresses common issues with factory lines—such as cracking, leaks, and flow restrictions—by ensuring reliable fuel delivery to cylinders #1 and #8, helping maintain engine performance and efficiency. Ideal for restoring or upgrading the fuel system in LLY-powered trucks.

 

Replaces GM Part # 97378825

Fleece #4 and #5 High Pressure Injection Line (FPE-FL-LBZLMM-45) for 2006-2010 Duramax LBZ / LMM

SKU: FPE-FL-LBZLMM-45
$88.19

The Fleece #4 and #5 High Pressure Injection Line (FPE-FL-LBZLMM-45) is a high-performance aftermarket replacement for the factory fuel lines on 2006–2010 GM Duramax LBZ and LMM diesel engines. Designed for durability and precision, it ensures reliable fuel delivery under high pressure and is suitable for both stock and modified engines. With OEM-style fit and finish, it offers a dependable upgrade for maintaining engine performance and efficiency.

 

Replaces GM Part # 98006526

Fleece #3 and #6 High Pressure Injection Line (FPE-FL-LBZLMM-36) for 2006-2010 Duramax LBZ / LMM

SKU: FPE-FL-LBZLMM-36
$88.19

The Fleece #3 and #6 High Pressure Injection Line (FPE-FL-LBZLMM-36) is a durable, direct-fit replacement for 2006–2010 GM Duramax LBZ and LMM diesel engines. Designed to meet or exceed OEM standards, it ensures reliable fuel delivery, resists extreme pressures and temperatures, and helps restore factory performance by eliminating leaks. Suitable for both professionals and enthusiasts, it supports optimal engine performance and longevity.

 

Replaces GM Part # 98006524

Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LBZLMM-27) for 2006-2010 Duramax LBZ / LMM

SKU: FPE-FL-LBZLMM-27
$88.19

The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LBZLMM-27) is a premium replacement part for 2006–2010 Duramax LBZ and LMM diesel engines. Made by Fleece Performance Engineering, it ensures reliable fuel delivery from the high-pressure pump to the injectors, enhancing engine efficiency and performance. Designed for a direct OEM fit, it offers durability and prevents issues caused by worn or corroded factory lines, making it an ideal upgrade or maintenance solution for maintaining peak engine performance.

 

Replaces GM Part # 98006523

Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LBZLMM-18) for 2006-2010 Duramax LBZ / LMM

SKU: FPE-FL-LBZLMM-18
$88.19

The Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LBZLMM-18) is a durable, precision-engineered replacement part for 2006–2010 GM Duramax LBZ and LMM diesel engines. It replaces factory fuel lines prone to wear and damage, ensuring reliable fuel delivery and consistent engine performance. Designed for easy installation, it suits both stock and modified trucks, making it ideal for professionals and experienced DIYers alike.

 

Replaces GM Part # 98006527

Fleece #4 and #5 high pressure injection line (FPE-FL-LB7-45) for 2001-2004 Duramax LB7

SKU: FPE-FL-LB7-45
$76.06

The Fleece #4 and #5 High Pressure Injection Line (FPE-FL-LB7-45) is a durable, high-quality replacement fuel line for 2001–2004 GM Duramax LB7 diesel engines. Designed to replace factory lines prone to cracking and leaks, it offers improved routing and materials for reliable fuel delivery under high pressure. Suitable for both stock and modified engines, it helps ensure long-term performance and reliability.

 

  • Replaces GM Part#97188722

Fleece #3 and #6 high pressure injection line (FPE-FL-LB7-36) for 2001-2004 Duramax LB7

SKU: FPE-FL-LB7-36
$76.06

The Fleece Performance High Pressure Injection Line #3 and #6 (FPE-FL-LB7-36) is a durable, direct-fit replacement for 2001–2004 GM Duramax LB7 diesel engines. Designed to resolve common issues like cracking or leaking in factory lines, it ensures reliable fuel delivery and restores engine performance. Built for both stock and performance applications, it’s a dependable upgrade for maintaining engine longevity and efficiency.

 

  • Replaces GM Part#97188721

Fleece #2 and #7 high pressure injection line (FPE-FL-LB7-27) for 2001-2004 Duramax LB7

SKU: FPE-FL-LB7-27
$76.06

The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LB7-27) is a durable, high-quality replacement for factory injector lines on 2001–2004 GM Duramax LB7 diesel engines. Designed to address common issues with cracking and leakage, it ensures reliable fuel delivery and system performance. Made from corrosion-resistant materials, it is ideal for both routine maintenance and performance upgrades, meeting or exceeding OEM standards.

 

  • Replaces GM Part#97188723