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| SKU | FPEFPE-HAR-GM-LCT-SEAL |
| MPN | FPE-HAR-GM-LCT-SEAL |
| GTIN | 670875719149 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2004-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2002-2005,2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2019 | GMC | Sierra 2500 HD | SLE |
| 2001-2019 | GMC | Sierra 2500 HD | SLT |
| 2003-2014 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2015-2019 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2007-2019 | GMC | Sierra 3500 HD | SLE |
| 2007-2019 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
Upgrade your GM 2500/3500 series vehicle's internal wiring with the Fleece Performance Extension Harness. This harness is specifically designed for 01-19 GM 2500/3500 models equipped with the Allison LCT or GM 4T65-E transmissions. Crafted to ensure reliable connectivity, it features durable internal wire harness connectors and seals that maintain optimal electrical performance and protect against moisture and contaminants.
Fleece Performance's precision manufacturing guarantees a seamless fit, enhancing your vehicle's engine component reliability. Whether you're a professional mechanic or an enthusiastic hobbyist, this extension harness delivers the quality and resilience necessary for demanding automotive environments. Experience smooth installation paired with the trusted durability that Fleece Performance parts are known for.
Trust in a product built to meet the rigorous demands of performance tuning and engine modifications. This harness not only secures your wiring connections but also supports the overall integrity of your vehicle's electrical system, helping to keep your build running peak and powerful.
Fleece Performance's precision manufacturing guarantees a seamless fit, enhancing your vehicle's engine component reliability. Whether you're a professional mechanic or an enthusiastic hobbyist, this extension harness delivers the quality and resilience necessary for demanding automotive environments. Experience smooth installation paired with the trusted durability that Fleece Performance parts are known for.
Trust in a product built to meet the rigorous demands of performance tuning and engine modifications. This harness not only secures your wiring connections but also supports the overall integrity of your vehicle's electrical system, helping to keep your build running peak and powerful.
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.

















