Today on our 2015 GMC Sierra 3500, we're going to take a look at and show you how to install the Husky Liners premium aluminum fifth wheel louvered tailgate with locking handle. Part number is HL15260. This Husky Liners tailgate is designed for use with Chevrolet and GMC trucks not equipped with tailgate assist. The fifth wheel gate is going to give us exactly what we want here in the middle.… see more >