Connector pipe o-ring. Left.W/TURBOCHARGER. Right.W/TURBOCHARGER. A circular disk covered in rubber or plastic with a hole in the center where the edge is sometimes tensioned by a spRing that prevents fluid from leaking at the Mass Air Flow Sensor. A round Ring used to Seal between the Air Intake Duct and it's mounting surface. Engine Air Intake Hose Seal. Fuel Injection Air Flow Meter Gasket / O-Ring. Mass Air Flow Sensor O-Ring. Part inscluded with Connector pipe. Rubber Sealing Gasket that fits between the Engine Air filter housing rear cover and the Engine Air filter housing. Cleaner Cover Gasket. pipe inner. Adapter o -. Engine Intake Hose O -. Filter element outer. Fuel Injection Flow Meter Gasket / O -. Inlet tube. Intake Duct. Mass Flow Sensor O -. Included with: Air Cleaner assembly, Connector pipe.