Turbo Oil Drain Pipe Gasket - Mitsubishi Lancer EVO 4 5 6 CN9A CP9A also called turbo oil return pipe gaskets Sold in Singles (You need 1 for each end return pipe so 2 in total) Exploded Diagram Showing Locations Used HERE Mitsubishi Part Numbers MD050082 MD174244 MD194403 MD145171 MR258477