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PowertrainSuspension

Rear Axle Assembly

For Chevrolet, GMC, Buick and Isuzu vehicles

OEM Part Numbers

159390191513542015939018

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  • Fitments

(rear door extends into wheel well, 113" WB) 4.2L 3.73 ratio GT4

3.73 ratio (opt GT4)

5 passenger 3.73 ratio GT4