This is a A-B1CK230 Gasket and Diaphragm Kit PN: B1CK230Main Description As Following : A-B1CK230 Gasket and Diaphragm Kit P.N: B1CK230 Used on Mitsubishi T110, T140, T180, T200, and V25 enginesFits trimmers made by TAS and Maruyama Found in Section & Models : Sunbelt - Carburetion > 2 Cycle, Nikki (UNDEFINED): SEVERAL Associated Items : A-B1SB3903 Also This is An Aftermarket Product And : Used on Mitsubishi T110, T140, T180, T200, and V25 engines Fits trimmers made by TAS and Maruyama