Kenworth W900B Safety, Air & Electrical

Make sure the parts on your Kenworth W900B semi truck is up to your safety standards by shopping 4 State Trucks' high quality selection of aftermarket parts. We carry a wide selection of aftermarket parts including airlines and airline boxes, roadside gear, safety flags, and so much more specifically for Kenworth rigs. 4 State Trucks can help you stay safe on the highway with our safety, air, and electrical parts.