Left.3.6 LITER. Pressure tube lower seal. Right.3.6 LITER. TURBOCHARGER & COMPONENTS. A Seal that Prevents oil from leaking out, or contaminants from entering the Intercooler pipe. Seal used on the Intercooler Tube. Turbocharger Oil Line O-Ring. Charge Air Cooler Tube. Connector. Intercooler Pipe O - Ring. Round. Turbocharger Oil Line O - Ring. Included with: Lower Pressure Tube, Pressure Hose, Pressure Tube.