DOUBLE CAB. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Power Steering System Oil Cooler to it's mounting point. An exhaust Bolt is a specialized fastener designed to secure various components of an exhaust System, including the manifold, catalytic converter, and exhaust pipes. Bumper Cover Reinforcement Bolt. Power Steering Pressure Line Bolt. Running Board Bolt. Spare Tire Bolt. Washer BaseD H. Bumper Cover Reinforcement. Center plate. Exhaust. Inverter Cooler. Muffler AND pipe fastener. Power Steering Pressure Line. REINFORCED bracket. Running Board. Spare carrier. Spare Tire. Striker. Tube mount. Wire harness. Included with: Trailer hitch Wire harness.