6.0 LITER. MAIN. Water pipe o-ring. 18 x 2mm. Engine Coolant Bypass Pipe O-Ring. Engine Coolant Pipe Seal. O-Ring. Engine Coolant Bypass Pipe O - Ring. Engine Coolant Pipe O - Ring. Engine Coolant Pipe Seal. Seal ring. Thermostat seal. Water pipe o - ring. Included with: Thermostat, Thermostat unit.