Shop 1990 GMC R3500 Base Tires
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Confirm Tire Size for Your 1990 GMC R3500 Base

Shopping for tires? Select tire size to proceed.
GMC equips your vehicle with more than one possible size during production. Please select the size installed on your vehicle from the choices below.
Original Equipment Wheel Diameter: 16"
LT235/85R16/E
Original Equipment Wheel Diameter: 16"
LT215/85R16/D
Where can I find my tire size?Where can I find my tire size?