This replacement vacuum switching valve matches the fit and function of the original part on specified vehicles. It uses a factory-style connector for plug-and-play installation. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Lexus GS300: 2001, 2002, 2003, 2004, 2005, 2006] - [Lexus GS430: 2001, 2002, 2003, 2004, 2005] - [Lexus IS300: 2001, 2002, 2003, 2004, 2005].