This is a A-B1CK241 Gasket and Diaphragm Kit PN: B1CK241Main Description As Following : A-B1CK241 Gasket and Diaphragm Kit P.N: B1CK241 Used on Mitsubishi T300> w/ BA401 engine Crossed From: 49-826 OREGON , 49826 OREGON , 615-120 STENS , 615120 STENS , 6893 ROTARY , 7-07049 PRIME LINE , 707049 PRIME LINE Found in Section & Models : Sunbelt - Carburetion > 2 Cycle, Nikki (UNDEFINED): SEVERAL Associated Items : A-B1SB3902 Also This is An Aftermarket Product And : Used on Mitsubishi T300> w/ BA401 engine