42 NATDA Magazine www . natda . org 42 NATDA Magazine www . natda . org 4Adhesives 4Axle components 4Axles and hubs 4Batteries 4Body components ( ie . roof caps and bows , trim , bumpers ) 4Brake actuators 4Brake assemblies 4Brake controls 4Breakaway systems 4Cargo control 4Chains 4Chemicals 4Cleaners 4Coatings 4Couplers 4Doors 4Electrical supplies 4Fasteners 4Fenders 4Flooring 4Gaskets and seals 4Hitches 4Hydraulic systems 4Jacks 4Leaf springs 4Lighting & electrical 4Locks 4Lumber 4Metal suppliers 4Mudflaps / guards 4Observation systems / cameras 4Paneling 4Plastic components 4Ramps 4Software 4Suspension components ( ie . Hangers , u-bolts ) 4Suspensions systems 4Tire balancing beads 4Tire pressure gauges & Monitoring systems 4Tires 4Toolboxes 4Towing components 4Wheel accessories ( ie . Wheel covers and hub caps , lug nuts ) 4Wheels 4Winches 4Windows and vents 4Wiring lighting For more information , go to natda . org / trailer-parts-expo natda . org / trailer-parts-expo