2017-22. EGR cooler bolt. EGR VALVE & RELATED COMPONENTS. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Engine Support Rod to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the EGR Valve Cooler to it's mounting point. Bumper Impact Bar Bolt. Seat Belt Receptacle Bolt. Suspension Stabilizer Bar Bracket Bolt.