Boost the performance and longevity of your hydrostatic transmission system with this 2-Pack of Stens 120-738 Transmission Filters—engineered to meet OEM specifications for a perfect fit and reliable performance. Designed specifically for hydro gear systems, these filters are an essential replacement part for keeping your zero-turn mower or other heavy-duty outdoor equipment running smoothly.
Manufactured in the USA by an OEM supplier, these filters feature a 3/4"-16 thread, 2 11/16" outer diameter, and 3" height, with a 25-micron filtration rating to capture fine contaminants without restricting flow. They are a taller version of the OEM part—so be sure to check for adequate clearance before installation. Built without an anti-drain valve, they include a 7-9 PSI pressure relief valve to ensure system stability under varying loads.
These filters replace multiple OEM part numbers, including:
Ariens: 21545100
Bad Boy: 063-1050-00
Bush Hog: 50052929
Exmark: 109-3321
Ferris: 5101026X1, 5101026X10
Gravely: 21545100
Hustler: 600976, 768341
Hydro Gear: 52114
Scag: HG52114
Snapper: 5101026X1, 5101026X1SM
Toro: 109-3321
Compatible Models Include:
Exmark: Phazer and Quest
Ferris: IS600Z, IS700Z, and CCW Series
For easy installation, pair with the Stens 750-164 Oil Filter Wrench — perfect for hard-to-reach filters and cross-sold with this item for added convenience.
