Looking for replacement and aftermarket parts for semi-truck safety, air systems, and electrical components? Visit 4 State Trucks! Our selection includes air tank mounting cables, air tanks, trailer cords, hoses, safety flags, 7-way base receptacles, air line boxes, glad hands, safety hazard signs, pipe colors, elbows, and electrical wire rolls. These high-quality products are designed to keep your truck running smoothly and safely. Find the essential parts you need at 4 State Trucks.