Keep your Isuzu NPR-HD on the road with tools for maintaining, fixing, and repairing your semi truck. We carry any and all tools you may need to make 4 State Trucks a one-stop shop for tools specifically for Isuzu semi trucks. Shop our selection of aftermarket tools like a flashlight, tire thumpers, hubcaps and nut tools, lug nut pliers, and more to keep you and your Isuzu safe.