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Part record
Duramax L5P DEF Tank Assembly (OEM)
verified
OEM PN87821864
Replaces 85138746, 84762591, 85108193, 84831759, 84996345, 84948478, 84876222, 84996343.
Catalog fitment 2020-2023 diesel. Catalog fitment ends 2024 and the dealer catalog's model-year pages end 2024 (2025 noresult, 2026 absent, probe 2026-09-27), so 2025-2026 configs are not fitted here - not evidence the part does not fit them.
Where to buy
Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 87821864.
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