seehunt
05-14-2004, 06:33 PM
Same size on a GMC Sierra/Silverado 3500 as they are on a GM 1500 Sierra/Silverado. I have a 3500 on order and today I recieved the 5th wheel tailgate i ordered for said truck. My neighbor has a new 1500 Silverado and i could install it on his truck for a test fit.