There are 2 choices

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(9-1/2" ring gear, 12 bolt)
- 3.08 ratio (opt GU4)
- 3.42 ratio (opt GU6)

Rear Axle Assembly for 2018 GMC K15 Suburban

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There are 2 choices for the 2018 GMC K15 Suburban Rear Axle Assembly !!!
Choose Your Option

(9-1/2" ring gear, 12 bolt) 3.08 ratio (opt GU4)
(9-1/2" ring gear, 12 bolt) 3.42 ratio (opt GU6)

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