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Part record
6.6L Duramax L5P NOx Sensor, Position 2 / Downstream 2020-2023 (GM 12747870)
verified
OEM PN12747870
BrandGM
Replaces 12708006.
Fitment years as listed in the OEM catalog on 2026-10-24.
Where to buy
Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 12747870.
Fits (16 configurations)
- 2020 Chevrolet Silverado 2500 HD
- 2020 Chevrolet Silverado 3500 HD
- 2020 GMC Sierra 2500 HD
- 2020 GMC Sierra 3500 HD
- 2021 Chevrolet Silverado 2500 HD
- 2021 Chevrolet Silverado 3500 HD
- 2021 GMC Sierra 2500 HD
- 2021 GMC Sierra 3500 HD
- 2022 Chevrolet Silverado 2500 HD
- 2022 Chevrolet Silverado 3500 HD
- 2022 GMC Sierra 2500 HD
- 2022 GMC Sierra 3500 HD
- 2023 Chevrolet Silverado 2500 HD
- 2023 Chevrolet Silverado 3500 HD
- 2023 GMC Sierra 2500 HD
- 2023 GMC Sierra 3500 HD