2012-15. MAIN. A round Ring used to Seal between the Radiator Hose and it's mounting surface. At Water Pump Housing. Cooling System Bypass Line Adapter O-Ring. Engine Cooling Radiator. Lower Radiator Coolant Hose. Primary Radiator. Radiator Coolant Hose Seal. Center pipe. Connector o -. Cooling System Bypass Line Adapter O -. Coupling o -. Inlet o -. Radiator Coolant O -. Return o -. Included with: Connector Hose, Connector tube, Inlet Hose, Lower Coupling, Lower Hose, Lower Hose Part cannot be reused/reinstalled, Lower rear Hose, Upper Hose, Upper Hose Part cannot be reused/reinstalled.