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SIERRA DENALI 1500
- 4WD
  - 5.3L
    - AAM built (opt SU7)
    - GM built (opt SU8)
  - 6.2L
- RWD
  - AAM built (opt SU7)
  - GM built (opt SU8)
SIERRA DENALI 2500
- fill plug inner cover (11.50" ring gear)
  - 3.73 ratio (opt GT4)
  - 4.10 ratio (opt GT5)
- Without fill plug inner cover
  - 3.73 ratio (opt GT4)
  - 4.10 ratio (opt GT5)
SIERRA DENALI 3500
- (full-floating)
  - (11.5" ring gear)
    - dual rear wheels
      - 3.73 ratio (opt GT4)
      - 4.10 ratio (opt GT5)
    - single rear wheels
      - 3.73 ratio (opt GT4)
      - 4.10 ratio (opt GT5)

Rear Axle Assembly for 2019 GMC Sierra Denali

Fits: SIERRA DENALI 2500 fill plug inner cover 11.50 ring gear 4.10 ratio opt GT5 (change)

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