Forum Discussion
lawrosa
Sep 14, 2016Explorer
bartlettj wrote:
You should be able to open the glovebox on your Silverado and find a sticker with a whole bunch of letters on it. These are the RPO codes. If you search them on line, it will tell you which axles, suspension package, gear ratios, and a whole bunch of other stuff that your truck is equipped with.
Yes thank you. I have the trailering suspension package z85.
G 80 locker
3:42\ rear GU 6
LM7 Motor
Trans cooler but I am putting larger 30K GVW model in.
Dont know what else to look for.
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