Product Description
The Hydro-Gear 73239 ZT-3400 Seal Kit is a genuine OEM replacement service kit engineered to restore the sealing integrity, hydraulic efficiency, and long-term reliability of compatible Hydro-Gear ZT-3400 hydrostatic transaxles. Precision manufactured to Hydro-Gear's exact OEM specifications, this seal kit includes the essential seals, O-rings, gaskets, and sealing components required during a complete transmission overhaul or hydraulic leak repair. By replacing worn or damaged seals, the 73239 ZT-3400 Seal Kit helps prevent hydraulic fluid leaks, maintain proper hydraulic pressure, reduce contamination, and restore smooth, efficient hydrostatic performance. The 73239 kit is a genuine OEM transmission pump overhaul seal kit designed specifically for ZT-3400 and compatible Hydro-Gear models, and it supersedes previous part numbers 72995 and 71976.
Whether you're rebuilding a Hydro-Gear ZT-3400 transaxle or repairing hydraulic leaks, the Hydro-Gear 73239 ZT-3400 Seal Kit helps restore factory performance while extending the service life of your equipment. As a genuine Hydro-Gear OEM service component, it provides dependable sealing, reliable hydraulic oil retention, and long-lasting durability in demanding residential and commercial mowing applications. For the best results, inspect the pump housing, motor housing, shafts, bearings, center section, cylinder blocks, pistons, and other related hydraulic components during installation, replace any worn parts as necessary, and refill the transaxle with the manufacturer-recommended hydraulic oil. Always verify your Hydro-Gear transmission model and original part number before ordering to ensure the 73239 ZT-3400 Seal Kit is the correct OEM replacement for your application.
