Replacement Body Parts Get the best deals on parts for customizing the body of your vehicle when you shop at 4 Wheel Parts. Whether you are looking for aftermarket components such as special edition or vented hoods, roll cage and trail cage kits, trail gates or performance fenders, we stock a large selection of automotive body parts. We also make it easy to find hardware to modify the body of your vehicle including windshield frame kits and hardware, body bolts and bolt kits or floor brackets for trucks. Search or browse for parts from top brands such as Poison Spyder, Rock Hard 4x4, Rugged Ridge and Smittybilt among many other specialty body parts.