This is a Genuine Tecumseh Valve which normally only came in Valve Set Part Numbers: 16130012, 16130004, 

For the following Tecumseh Engines:

Prisma 40, E-47, E-47000A, E-47001B, E-47001G, E-47002B, E-47002G, E-47002H, E-47004B, E-47006A, E-47016E, E-47070A, E-47101A, E-47102F, E-47103F, E-47108H, E-47118H, E-47121C, E-47129B, E-47302G, E-47400A, E-47400E, E-47400F, E-47504A, E-47602A, E-47604B, 

Prisma 50, E-57, E-57000, E-57000A, E-57000B, E-57000C, E-57004, E-57004A, E-57005, E-57005B, E-57020, E-57020A, E-57089A, E-57101, E-57101A, E-57101B, E-57104A, E-57106A, E-57106B, E-57111A, E-57117, E-57117A, E-57120, E-57120A, E-57130A, E-57400, E-57405, E-57501, E-57506,

1 x Brand New Genuine Tecumseh Intake Valve ( 0.8mm Oversize ),  

FREE DELIVERY WITHIN THE UK !