There are 4 choices

Choose One

Driver Side select full locking differential (opt G94)
- diesel (3.42 ratio, opt GU6)
- gasoline (3.73 ratio, opt GT4)
Without Driver Side select full locking differential
- 3.42 ratio (opt GT4)
- 3.73 ratio (opt GU6)

Rear Axle Assembly for 2025 GMC Sierra 2500

Attention!

There are 4 choices for the 2025 GMC Sierra 2500 Rear Axle Assembly !!!
Choose Your Option

Driver Side select full locking differential (opt G94) diesel (3.42 ratio, opt GU6)
Driver Side select full locking differential (opt G94) gasoline (3.73 ratio, opt GT4)
Without Driver Side select full locking differential 3.42 ratio (opt GT4)
Without Driver Side select full locking differential 3.73 ratio (opt GU6)

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