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SIERRA 1500 PICKUP
- (Automatic Transmission)
  - 4x2
    - 4.3L
    - 5.3L
      - 6 speed (opt MYC)
        tow package (opt NHT)
        Without tow package
      - 8 speed
        opt M5U
        opt M5X
    - 6.2L
      - 10 speed (opt MF6)
      - 8 speed (opt M5U)
  - 4x4
    - 4.3L
    - 5.3L
      - 6 speed (opt MYC)
        tow package (opt NHT)
        Without tow package
      - 8 speed
        opt M5U
        opt M5X
    - 6.2L
      - 10 speed (opt MF6)
      - 8 speed (opt M5U)
SIERRA DENALI 1500
- (Automatic Transmission)
  - 4x2
    - 5.3L
    - 6.2L
  - 4x4
    - 5.3L
    - 6.2L

Transmission Assembly for 2018 GMC Sierra 1500

Fits: SIERRA 1500 PICKUP Automatic Transmission 4x4 5.3L 8 speed opt M5U (change)

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