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3.42 ratio (opt GU6)
3.73 ratio (opt GT4)

Rear Axle Assembly for 2021 Chevrolet Silverado 2500 HD

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There are 2 choices for the 2021 Chevrolet Silverado 2500 HD Rear Axle Assembly !!!
Choose Your Option

3.42 ratio (opt GU6)
3.73 ratio (opt GT4)

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