Replacement For - OE Number:16611AA510/16611AA370; suitable for Subaru Forester 2001-2005; for Subaru Impreza 2001-2006; for Subaru Liberty 2000-2006; for Subaru Imperza-WRX 2001; for Subaru Legacy 2000-2006.
Function - The fuel injector sealing rings is used to seal the inlet and outlet of the fuel injector to prevent oil leakage.
O Ring Inside Diameter - Orange Rubber O-Ring Inside Diameter: 8mm / 0.31"; Black Rubber Seals Inside Diameter 1: 9mm / 0.35"; Black Rubber Seals Inside Diameter 2: 10mm / 0.39".
Installation - Easy to install and replace the broken seal rings, no special tools needed.