There are 4 choices

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SIERRA 3500 PICKUP
- Electronic Control Module
  - (left hand front engine compartment)
    - diesel
    - gasoline
SIERRA DENALI 3500
- Electronic Control Module
  - diesel
  - gasoline

Engine Computer for 2020 GMC Sierra 3500 HD

Attention!

There are 4 choices for the 2020 GMC Sierra 3500 HD Engine Computer !!!
Choose Your Option

SIERRA 3500 PICKUP Electronic Control Module (left hand front engine compartment) diesel
SIERRA 3500 PICKUP Electronic Control Module (left hand front engine compartment) gasoline
SIERRA DENALI 3500 Electronic Control Module diesel
SIERRA DENALI 3500 Electronic Control Module gasoline

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