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PowertrainSuspension

Rear Axle Assembly

For Chevrolet, GMC and Isuzu vehicles

OEM Part Numbers

1588075415844584259261562592038525920386

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  • Fitments

(rear door extends into wheel well, 113" WB) 5.3L 3.42 ratio GU6

4.2L 18" wheel 3.42 ratio

(rear door does not extend into wheel well, 129" WB) 3.42 ratio GU6

5.3L 18" wheel 3.42 ratio

7 Passenger (3rd row seat) 3.42 ratio GU6

3.42 axle ratio (opt GU6)