Air Filter / K & N E-4964Pack Size:1Cub Cadet 385168-R2, Gravely 043954, Gravely 20057700, John Deere AM31400, K & N E-4964, Kohler 235116-S, Kohler 235116, Tecumseh 32008, Toro 235116J. Thomas KN-2470, Landscaper Express 510040, NHC 261-0798Gravely For 8 thru 16 HP Kohler engines; Kohler K241-K321, K181NL and M8; for 8 thru 16 HP engines; Tecumseh HH100, HH120 and OH140; for 8 thru 16 HP enginesID: 4 11/16 ", OD: 6 1/8 ", Height: 1 7/8 ", Designed to increase horsepower while providing excellent filtration, Washable and reusable, Durable construction to provide engine protection, New hybrid material does not require oiling