• 2003-2003 Subaru Forester H4 2.5L - Left Upper; GAS; Interference engine application. • 2004-2008 Subaru Forester H4 2.5L - Left Upper; GAS, SOHC; Interference engine application. • 1999-2002 Subaru Forester H4 2.5L - Left Lower; GAS; Interference engine application.