MowerPartsGroup Hydraulic Filter Two-Pack for Bad Boy ZT Elite – Replaces Hydro Gear 52114, 3/4"-16 Thread, 2.7" OD

Two-pack aftermarket hydraulic filters designed to replace Hydro Gear 52114 and fit Bad Boy ZT Elite models, offering correct thread size and dimensions for dependable hydraulic protection.

These MowerPartsGroup hydraulic filters are sold as a two-pack of replacement cartridges engineered to match the critical dimensions and thread pattern used across several zero-turn mower brands. They are compatible with many popular commercial and residential mower models that use the Hydro Gear 52114-style element. Note: the physical label on the filter may read "John Deere," but these elements are confirmed replacements for Hydro Gear 52114 and equivalent part numbers listed below.

Will these filters fit my mower model?

Check your current filter's part number, thread size, and overall dimensions to confirm compatibility. This two-pack replaces a range of OEM numbers used by multiple manufacturers and fits many Hydro Gear-based hydrostatic transmissions.

• Compatible brands include Bad Boy, Ariens, Bush Hog, Exmark, Ferris, Gravely, Hustler, Scag, Snapper, and Toro.
• Direct replacements for Hydro Gear 52114 and listed OEM numbers such as 063-1050-00 and 21545100.
• Always verify model, serial, and part numbers before ordering to ensure fit.

What are the exact specifications of these filter cartridges?

The filters match the key mounting and size specifications necessary for proper sealing and flow. These measurements let you compare against your existing filter to ensure a correct swap without modification.

• Thread size: 3/4" - 16 for secure attachment to the housing.
• Outer diameter (OD): 2 11/16" to align with the mounting bore.
• Height: 2 7/8" for correct clearance in the filter cavity.

How do these replace different OEM part numbers and labels?

Manufacturers sometimes label or brand aftermarket filters differently; the internal media and dimensions are what determine interchangeability. Although the physical label may display "John Deere," the construction and measurements are equivalent to Hydro Gear 52114 and other numbers listed below.

• Replaces: 21545100, 063-1050-00, 50052929, 109-3321, 5101026X1, 600976, HG52114, 5101026X1SM.
• Confirmed to replace Hydro Gear 52114 elements used in many hydrostatic drives.
• Label differences do not affect fit or function when dimensions match.

How should I install and maintain these hydraulic filters?

Installation follows standard spin-on filter procedures: drain or isolate system pressure, remove the old filter, lubricate the gasket, and hand-tighten the replacement. Regular inspection and replacement at manufacturer-recommended intervals keeps hydraulic fluid cleaner and helps extend component life.

• Before installation, ensure the system is cool and pressure-relieved.
• Lubricate the new gasket with hydraulic oil and tighten by hand until snug.
• Inspect for leaks after start-up and change at regular service intervals.

Who is this for: These two-pack hydraulic filters are intended for owners, fleet managers, and maintenance technicians who service zero-turn mowers and turf equipment using Hydro Gear-style elements. If you operate Bad Boy ZT Elite, Ariens, Exmark, Ferris, Hustler, Scag, Snapper, Toro, Bush Hog, or Gravely machines and need a compact, dimension-matching replacement element, this set offers a direct-fit aftermarket option. Remember to confirm your mower's part numbers, model, and serial details against the specifications listed so you get the right filter the first time.

• Specifications recap: Thread 3/4"-16, OD 2 11/16", Height 2 7/8".
• Sold as a two-pack; may have a "John Deere" label but replaces Hydro Gear 52114.