There are 9 choices

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SIERRA 2500 PICKUP
- (Automatic Transmission, 6.6L)
  - diesel
    - 4x2
      - ID OMCF
      - ID OUCF
    - 4x4
      - ID OMEF
      - ID OMKF
  - gasoline
    - 4x2
    - 4x4
SIERRA DENALI 2500
- (Automatic Transmission)
  - diesel
    - ID OMEF
    - ID OMKF
  - gasoline

Transmission Assembly for 2021 GMC Sierra 2500 HD

Attention!

There are 9 choices for the 2021 GMC Sierra 2500 HD Transmission Assembly !!!
Choose Your Option

SIERRA 2500 PICKUP (Automatic Transmission, 6.6L) diesel 4x2 ID OMCF
SIERRA 2500 PICKUP (Automatic Transmission, 6.6L) diesel 4x2 ID OUCF
SIERRA 2500 PICKUP (Automatic Transmission, 6.6L) diesel 4x4 ID OMEF
SIERRA 2500 PICKUP (Automatic Transmission, 6.6L) diesel 4x4 ID OMKF
SIERRA 2500 PICKUP (Automatic Transmission, 6.6L) gasoline 4x2
SIERRA 2500 PICKUP (Automatic Transmission, 6.6L) gasoline 4x4
SIERRA DENALI 2500 (Automatic Transmission) diesel ID OMEF
SIERRA DENALI 2500 (Automatic Transmission) diesel ID OMKF
SIERRA DENALI 2500 (Automatic Transmission) gasoline

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