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3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
full-floating (10.5" ring gear)
- 3.73 ratio (opt GT4)
- 4.10 ratio (opt GT5)
semi-floating (9.5" ring gear)
- 3.73 ratio (opt GT4)
- 4.10 ratio (opt GT5)

Rear Axle Assembly for 2006 GMC Yukon XL 2500

Fits: semi-floating 9.5 ring gear 4.10 ratio opt GT5 (change)

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