2.5 LITER. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Engine Coolant Outlet Housing or related components. A/C Compressor Bolt. Belt Tensioner Bolt. Catalytic Converter Bolt. Engine Coolant Inlet Flange Bolt. Engine Water Pump Bolt. Hardware to attach the heat shield to the Catalytic Converter. Ignition Knock (Detonation) Sensor Bolt. Air Conditioning (A/C) Compressor. Belt Tensioner. Catalytic Converter Heat Shield. Engine Coolant Inlet Flange. Housing Assembly. Ignition Knock (Detonation) Sensor. Knock Sensor screw. Mount bracket. Support bracket. Water Outlet. Water Pump Assembly.