Porsche 986 (97-04) Fuel Vapor Regeneration Valve from Throttle Body Regeneration Valve from Throttle Body for Fuel Vapor System Genuine Porsche part, recently made: not been lying around. Porsche part# 996 110 129 06, check fit below. Fits: (1997-2004): Boxster Fits: (2000-2004): Boxster S