Enhanced Compatibility: This air filter and cover set is designed to work with compatible models RY252CS, RY253SS, RY251PH, RY254BC, RY25PHEMC, RY251PHVNM, RY25CSEMCVNM, RY254BCVNM, making a fit for your 25CC and 25.4CC mowers, as well as 308649003, 307191001, 5687301 560873001 901590001 compatible.
eBay