This is a Genuine OEM GM Exhaust Gas Temperature (EGT) Sensor Module Assembly for the 2020–2023 Chevrolet Silverado 1500 and 2020–2023 GMC Sierra 1500. It is the Bank 1, Module 1 (upstream) position sensor in the diesel exhaust aftertreatment system.
This Genuine GM OEM part is a direct, factory-spec replacement for the Bank 1, Module 1 exhaust gas temperature sensor position in the exhaust aftertreatment system. It is designed exclusively for vehicles equipped with the 3.0L Duramax LM2 diesel engine — this part does not apply to gasoline-powered variants of the Silverado 1500 or Sierra 1500. As a factory-original component, it meets all GM engineering tolerances and integrates seamlessly with the vehicle's exhaust temperature monitoring and emissions control systems.
| Year Range | Make | Model | Trim/Engine | Notes/Options |
|---|---|---|---|---|
| 2020-2023 | Chevrolet | Silverado 1500 | 3.0L Duramax Diesel (LM2) | Bank 1, Module 1; Diesel equipped only |
| 2020-2023 | GMC | Sierra 1500 | 3.0L Duramax Diesel (LM2) | Bank 1, Module 1; Diesel equipped only |
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