2011-12. Water pump bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure The Door Reinforcement Bar to it's mounting point. Engine Coolant Thermostat Housing Bolt. Engine Water Pump Bolt. hsng. unit. Door Reinforcement Bar. Engine Coolant Housing. OVAL - HEAD Screw 6X18. Support brace. Water Pump.