There are 16 choices

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SIERRA DENALI 1500
- Automatic Transmission
  - 4x2
  - 4x4
SIERRA DENALI 2500
- Automatic Transmission
  - 6.0L
    - 4x2
      - ID 2DBA
      - ID 2DCA
    - 4x4
  - 6.6L
    - 4x2
    - 4x4
SIERRA DENALI 3500
- Automatic Transmission
  - 6.0L
    - 4x2
      - ID 2DBA
      - ID 2DCA
    - 4x4
  - 6.6L
    - 4x2
    - 4x4

Transmission Assembly for 2012 GMC Sierra Denali

Fits: SIERRA DENALI 3500 Automatic Transmission 6.6L 4x2 (change)

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