Hydro-filter replacement for Exmark mowers. Also fits Bobcat lawn mower transmissions, and is a replacement transmission filter on Bunton mowers. Hydrostatic transmission filter for Dixie Chopper lawn mower, Dixon mower parts replacement too. Also replaces the hydro-filter on Encore lawn mowers, Ferris mowers, and Honda lawn mower hydro-filter. Husqvarna mower part as well as Kees, and Toro mower part numbers.