Fender bolt. Left. Right. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Exhaust Pipe Heat Shield to it's mounting point. Fender Bolt. Fender Liner Bolt. Washer Fluid Reservoir Screw. Exhaust Heat Shield. HEX HEAD. Washer Fluid Reservoir Screw. Wheel Well Liner.