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| SKU | FPEFPE-HAR-L5P-INJ-PT-8P |
| MPN | FPE-HAR-L5P-INJ-PT-8P |
| GTIN | 670875718876 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2022 | Chevrolet | Silverado 2500 HD | Custom |
| 2017-2022 | Chevrolet | Silverado 2500 HD | High Country |
| 2017-2022 | Chevrolet | Silverado 2500 HD | LT |
| 2017-2022 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017-2022 | Chevrolet | Silverado 2500 HD | WT |
| 2017-2022 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2022 | Chevrolet | Silverado 3500 HD | LT |
| 2017-2022 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017-2022 | Chevrolet | Silverado 3500 HD | WT |
| 2020-2022 | GMC | Sierra 2500 HD | AT4 |
| 2017-2021 | GMC | Sierra 2500 HD | Base |
| 2017-2022 | GMC | Sierra 2500 HD | Denali |
| 2022 | GMC | Sierra 2500 HD | Pro |
| 2017-2022 | GMC | Sierra 2500 HD | SLE |
| 2017-2022 | GMC | Sierra 2500 HD | SLT |
| 2020-2022 | GMC | Sierra 3500 HD | AT4 |
| 2017-2021 | GMC | Sierra 3500 HD | Base |
| 2017-2022 | GMC | Sierra 3500 HD | Denali |
| 2022 | GMC | Sierra 3500 HD | Pro |
| 2017-2022 | GMC | Sierra 3500 HD | SLE |
| 2017-2022 | GMC | Sierra 3500 HD | SLT |
Upgrade your GM 2500/3500 Duramax with the Fleece Performance Extension Harnesses, expertly designed as replacement fuel injector connectors with pigtails. These harnesses come in an 8 pack, providing all you need for a comprehensive upgrade or project. Crafted to ensure seamless compatibility with models from 2017 to 2022, they help maintain and enhance the performance of your engine wiring system.
Each connector is precision engineered by Fleece Performance, a trusted brand known for delivering quality and durability in engine components. This harness improves signal integrity and reduces the risk of electrical failures, making it an essential upgrade for enthusiasts and professionals working on tuning or repairing their diesel engines.
Perfectly suited for performance upgrades or maintenance, these harnesses are a smart solution for those seeking reliable and efficient electrical connections within their diesel engine systems. Whether you're a workshop or a dedicated hobbyist, these connectors help keep your vehicle running at its best.
Each connector is precision engineered by Fleece Performance, a trusted brand known for delivering quality and durability in engine components. This harness improves signal integrity and reduces the risk of electrical failures, making it an essential upgrade for enthusiasts and professionals working on tuning or repairing their diesel engines.
Perfectly suited for performance upgrades or maintenance, these harnesses are a smart solution for those seeking reliable and efficient electrical connections within their diesel engine systems. Whether you're a workshop or a dedicated hobbyist, these connectors help keep your vehicle running at its best.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















