Left.2019-21. Right.2019-21. A component which provides a sealing surface at the Air Intake Duct. A round ring used to seal between the Air Intake Duct and it's mounting surface. A seal that prevents oil from leaking out, or contaminants from entering the Intercooler pipe. Gasket for Intake Manifold. Mounting Gasket for Fuel Injection Throttle Body. Air Crossover. Charge Air Cooler Pipe O - Ring. Engine Air Hose O - Ring. Fuel Injection Throttle Body Mounting. Intercooler Pipe O - Ring. Manifold seal. Plenum. Pressure tube seal. Included with: Inlet tube, Intake Manifold, Intake pipe, Upper Pressure tube.