This is a Genuine OEM GM Heater Control Vacuum Harness designed for the 2019–2023 Chevrolet Silverado and 2019–2023 GMC Sierra. It is a direct replacement for the original vacuum harness that routes and controls vacuum signals within the HVAC system.
This part is Genuine OEM, manufactured by GM to original factory specifications for proper fit and function. It is a new, unused component supplied in its original GM packaging. Compatible with the 2.7L Turbocharged I4, 4.3L V6, 5.3L V8, 6.2L V8, and 3.0L Duramax Diesel engines available in the 2019–2023 Silverado 1500 and Sierra 1500.
| Year Range | Make | Model | Trim/Engine | Notes/Options |
|---|---|---|---|---|
| 2019-2023 | Chevrolet | Silverado 1500 | 2.7L Turbo I4, 4.3L V6, 5.3L V8, 6.2L V8, 3.0L Duramax Diesel | |
| 2019-2023 | GMC | Sierra 1500 | 2.7L Turbo I4, 4.3L V6, 5.3L V8, 6.2L V8, 3.0L Duramax Diesel |
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