There are 6 choices

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(Automatic Transmission)
- 4x2
  - 10 speed (opt MF6)
  - 6 speed (opt MYC)
    - tow package (opt NHT)
    - Without tow package
- 4x4
  - 10 speed (opt MF6)
  - 6 speed (opt MYC)
    - tow package (opt NHT)
    - Without tow package

Transmission Assembly for 2018 GMC Yukon XL 1500

Fits: Automatic Transmission 4x4 6 speed opt MYC Without tow package (change)

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