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SIERRA 1500 PICKUP
- 8.6" ring gear (3.42 ratio, opt GU6)
- 9.50" ring gear
  - AAM built (opt SU7)
    - 3.23 ratio (opt GU5)
    - 3.42 ratio (opt GU6)
  - GM built (opt SU8)
    - 3.23 ratio (opt GU5)
    - 3.42 ratio (opt GU6)
- 9.75" ring gear
  - 3.23 ratio (opt GU5)
  - 3.42 ratio (opt GU6)
SIERRA DENALI 1500
- 9.50" ring gear
  - AAM built (opt SU7)
  - GM built (opt SU8)
- 9.75" ring gear

Rear Axle Assembly for 2020 GMC Sierra 1500 HD

Fits: SIERRA DENALI 1500 9.50 ring gear AAM built opt SU7 (change)

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