Fits Briggs & Stratton 850, 875EX series OHV engines. Fits models 121Q02, 121Q06, 121Q07, 121Q12, 121Q42, 121Q72, 121S02, 121S05, 121S07, 121S12, 121S17, 121S72, 121S75, 121S77, 122Q02, 122Q05, 122Q07, 122Q12, 122Q32, 122Q42, 122Q47, 122Q72, 122Q77, 122R02, 122R05, 122R07, 122R42, 122S02, 122S07, 122S42, 122S72, 123P32, 124Q02, 124Q07, 124Q72, 124S02, 124S05, 124S07, 124S72, 124S77, 125P42, 125P47, 125P4B, 12Q902, 12Q907, 12Q912, 12Q972, 12S902, 12S905, 12S907, 12S912, 12S972, 12S975, 12S977, 14B902, 14B907, 14B932, 14B935, 14B937, 14B945, 14B947, 14B977, 14D932, 14D935, 14D937, 14D942.

Fits John Deere models JS35, JS46, JM46, JS48