3.0 LITER. Water pump bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Cooling System Crossover Line to a mounting point. Engine Water Pump Bolt. Engine Water Pump Pulley Bolt. manifold. mount. By - Passenger hose. Cooling System Crossover Line. Engine Pulley. Included with: By-pass hose, Water manifold, Water Pump, Water Pump assembly.