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3.73 rear diff

  1. 3.73 Rear Differential - 25k miles

    CTS-V Parts For Sale
    Hey guys, I read a previous thread where the dealer was able to swap a diff in about 45mins so I am hoping I will be able to do it myself in a couple hours or so. Planning to do the swap this weekend and will try to make a DIY thread. This will give a better idea on how long it takes. Below are...
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