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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

2003 Suburban Z71 rear end

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Old May 11th, 2020, 4:35 PM
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Default 2003 Suburban Z71 rear end
How do I know what rear end ratio is in my 2003 Suburban Z71? It should be either 3:73 or 4.10 but I am not clear which I have. Thank you.
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Old May 11th, 2020, 5:36 PM
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Check the code sticker in your glove box.
GT4=3.73
GT5=4.10
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Old May 11th, 2020, 5:55 PM
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Thank you!!
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