Engine: Aluminum expansion tank cap for Boxster, Cayman, 996 and 997 with M96 and M97 engine

LN Engineering Billet cooling expansion tank (replaces part 996 106 447 04) for Porsche Boxster and Cayman models up to and including 1997-2020 including 718 and 911 models up to and including 1999-2012. Features a blue anodized finish and laser engraved. Includes OEM pressure relief valve.