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2020-2022 GM HD 6.6L Diesel Emission Reduction System Harness Genuine OEM

$ 93.15
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This is a Genuine OEM Emission Reduction System Harness for 6.6L Diesel Engine for 2020-2022 GM heavy-duty trucks, the same high-quality part sold at your new car dealer. Designed specifically for Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models equipped with the 6.6L V8 diesel engine, this harness ensures perfect fit and reliable performance.

This emission reduction system harness is a critical component of your truck's diesel emissions control system, ensuring proper communication and operation of emission reduction components. It's compatible with multiple trim levels across the GM heavy-duty truck lineup, providing factory-quality reliability for your 6.6L diesel engine.

Key Features:

  • Genuine GM OEM part - factory quality and specifications
  • Direct replacement for emission reduction system harness
  • Specifically designed for 6.6L V8 diesel engine
  • Precision engineered for exact fit on GM heavy-duty trucks
  • Durable construction for long-lasting performance
  • Compatible with Silverado and Sierra 2500 HD and 3500 HD models
  • Fits multiple trim levels including Custom, High Country, LT, LTZ, WT, AT4, Denali, Pro, SLE, and SLT

Quick Part Facts - Fitment Chart

Year Make Model Trim Engine
2022 Chevrolet Silverado 2500 HD Custom, High Country, LT, LTZ, WT 6.6L V8 - Diesel
2022 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.6L V8 - Diesel
2022 GMC Sierra 2500 HD AT4, Denali, Pro, SLE, SLT 6.6L V8 - Diesel
2022 GMC Sierra 3500 HD AT4, Denali, Pro, SLE, SLT 6.6L V8 - Diesel
2021 Chevrolet Silverado 2500 HD Custom, High Country, LT, LTZ, WT 6.6L V8 - Diesel
2021 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.6L V8 - Diesel
2021 GMC Sierra 2500 HD AT4, Base, Denali, SLE, SLT 6.6L V8 - Diesel
2021 GMC Sierra 3500 HD AT4, Base, Denali, SLE, SLT 6.6L V8 - Diesel
2020 Chevrolet Silverado 2500 HD High Country, LT, LTZ, WT 6.6L V8 - Diesel
2020 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.6L V8 - Diesel
2020 GMC Sierra 2500 HD AT4, Base, Denali, SLE, SLT 6.6L V8 - Diesel
2020 GMC Sierra 3500 HD AT4, Base, Denali, SLE, SLT 6.6L V8 - Diesel
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