Prime Line 7-02202 Air Filter Replacement for Model Kohler 230840 Cub Cadet 385163R2 Gravely 20299 John Deere AM31034 Tecumseh 30804 Fits Models K191-K161 For 4-7 HP Engines 3 1/32" L x 4 3/8" OD x 1 1/2" HT Use with 7-02284 Pre-Filter