2.5 LITER. Boot bolt. 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. Bolt used to secure the Interior Door Handle. Cooling System Bypass Line Adapter Bolt. Engine Camshaft Position Sensor Bolt. Engine Coolant Pipe Bolt. Engine Crankshaft Position Sensor Bolt. Engine Water Pump Bolt. Ignition Coil Bolt. Ignition Coil Screw. Ignition Knock (Detonation) Sensor Bolt. Interior Door Handle Screw. Mass Air Flow Sensor Bolt. Turbocharger Coolant Line Bolt. Included with: Inside Handle.