Buyers Products 18X24X48 Gloss Black Steel With Stainless Steel Door Underbody Truck Box Model 1708710 2-Bar Crossbar Part number 4312-104 fits all

Part number 4312-104 fits all mid size trucks with an 6' bed

Buyers Products 18x16x90 Inch Black Diamond Tread Aluminum Top Mount Truck Box 1721565

Buyers Products 16x13x88 Inch Black Steel Top Mount Truck Box 1702950

This particular set of running boards is designed to fit specific years of the Chevy Silverado 2500 HD or 3500 HD and GMC Sierra 2500 HD or 3500 HD (see application info to verify fitment)

Buyers Products 18X24X48 Gloss Black Steel With Stainless Steel Door Underbody Truck Box Model 1708710 2-Bar Crossbar Part number 4312-104 fits allBuyers Products 18X24X48 Gloss Black Steel With Stainless Steel Door Underbody Truck Box 1708710 The 1708710 Buyers Underbody Box is one of the best underbody truck boxes for your money. The Elite Truck team recommends Buyers Products boxes to Truck Upfitters, Commercial Fleets, and Single Operators. It's hard to find made in the USA products built to the Buyers Quality Standards at this price point. For that reason, we believe the Buyers Underbody