That all depends on if your using a standard passenger tire or have light truck tires, that would be the only two differences in tire types, if this is just a normal 2 WD truck then just find a tire that is the same size you have now, used or new it won't make any differance, however if it is a 4WD then you need to make sure the tire you are getting is within 2/32 of the other tires tread depth.
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