4.0 LITER W/O E-HYBRID. REAR. 17 x 3mm. A round Ring used to seal between the Heater Hose and it's mounting surface. A round Ring used to seal between the Radiator Hose and it's mounting surface. All Required. Cooling System Bypass Line Adapter O-Ring. Engine Coolant Pipe Seal. O-Ring. Return. Turbocharger Oil Line Gasket. Turbocharger Oil Line O-Ring. Included with: Adapter, Connector, Connector Pipe Part cannot be reused/reinstalled, Connector Tube, Elbow, Inlet Tube Part cannot be reused/reinstalled, Lower Pipe, Lower Return Tube, Manifold, Oil Return Tube, Oil Return Tube Part cannot be reused/reinstalled, Outlet Pipe, Outlet Tube Part cannot be reused/reinstalled, Pipe assembly, Spacer Tube, Tube, Tube assembly, Upper Pipe, Water Manifold, Water Pipe, Water Pipe Part cannot be reused/reinstalled.