There are 3 choices

Choose One

(full-floating axle)
- 10.5" ring gear
  - (4.10 ratio, opt GT5)
- 11.5" ring gear
  - 3.73 ratio (opt GT4)
  - 4.10 ratio (opt GT5)

Rear Axle Assembly for 2006 GMC Sierra 2500

Attention!

There are 3 choices for the 2006 GMC Sierra 2500 Rear Axle Assembly !!!
Choose Your Option

(full-floating axle) 10.5" ring gear (4.10 ratio, opt GT5)
(full-floating axle) 11.5" ring gear 3.73 ratio (opt GT4)
(full-floating axle) 11.5" ring gear 4.10 ratio (opt GT5)

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