There are 4 choices

Choose One

5.3L
- (9-1/2" ring gear, 12 bolt)
  - 3.08 ratio (opt GU4)
  - 3.42 axle ratio (opt GU6)
6.2L
- (9-3/4" ring gear, 12 bolt)
  - 6 speed transmission (opt MYC)
    - (3.42 ratio, opt GU6)
  - 8 speed transmission (opt M5U)
    - (3.23 ratio, opt GU5)

Rear Axle Assembly for 2015 GMC Yukon XL 1500

Attention!

There are 4 choices for the 2015 GMC Yukon XL 1500 Rear Axle Assembly !!!
Choose Your Option

5.3L (9-1/2" ring gear, 12 bolt) 3.08 ratio (opt GU4)
5.3L (9-1/2" ring gear, 12 bolt) 3.42 axle ratio (opt GU6)
6.2L (9-3/4" ring gear, 12 bolt) 6 speed transmission (opt MYC) (3.42 ratio, opt GU6)
6.2L (9-3/4" ring gear, 12 bolt) 8 speed transmission (opt M5U) (3.23 ratio, opt GU5)

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