replacement drive train components for trucks, namely, transmissions and axle gears, [ transmission and axle bearings ]; transmission and axle bearing kits consisting primarily of bearings, seals, and a tube of silicone sealant sold as a unit; transmission and axle small-parts kits consisting primarily of bearings, seals, gasket sets, and a tube of silicone sealant sold as a unit; transmission and axle reprocessed gears; exchange transmissions and axles; replacement drive line components for trucks, namely, clutches; reprocessed clutch parts, namely, clutch covers, discs, and drive pins, clutch brakes, drive line bearings and center bearings, universal joints, end yokes, and drive shaft tubing; truck brake systems and components, namely, air valves, and air compressors; brake assemblies consisting primarily of brake shoes, brake linings, and rivets sold as a unit; brake foundation parts, namely, brake shoes, brake linings, camshafts, and slack adjusters; [ brake overhaul kits consisting primarily of rollers, anchor pins, bushings, and springs sold as a unit; ] relined brake shoes; bearings for trucks, namely, transmission bearings, differential bearings, [ U-joint bearings, ] brake bearings, clutch bearings, and steering bearings; suspension systems and components for trucks, namely, hinge pins and bushings, truck body panels, and body structural parts; and safety and maintenance accessories for trucks, namely, windshield wiper blades