1.5 LITER. Turbocharger seal. A component which provides a sealing surface at the Air Intake Duct. A component which provides a sealing surface at the Intercooler pipe. 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. Turbocharger O-Ring. Turbocharger Oil Seal. Engine Air Intake Hose O - Ring. Intercooler Pipe O - Ring. Turbocharger Oil Seal. Included with: Connector tube, Intake pipe, Turbocharger.