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