51017 – Hydro-Gear Lip Seal (Genuine OEM Hydraulic Shaft Seal) The Hydro-Gear 51017 Lip Seal is a genuine OEM replacement shaft seal designed to prevent hydraulic oil leaks and protect internal components in compatible Hydro-Gear hydrostatic transmissions and transaxles. Manufactured to Hydro-Gear's exact specifications, this precision-engineered lip seal maintains a tight seal around rotating shafts while preventing dirt, dust, moisture, and other contaminants from entering the hydraulic system. Constructed from premium oil- and heat-resistant elastomer materials, the 51017 Lip Seal is built to withstand high shaft speeds, continuous hydraulic pressure, and demanding commercial mowing conditions, ensuring reliable sealing performance and extended transmission life. Product Details Part Number: 51017 Brand: Hydro-Gear Part Type: Lip Seal / Shaft Seal Function: Seals rotating shafts to prevent hydraulic oil leaks Material: High-Performance Oil-Resistant Elastomer Installation: Direct OEM Replacement Genuine Hydro-Gear OEM Part Key Features Genuine Hydro-Gear OEM lip seal Precision-manufactured for an exact fit Prevents hydraulic fluid leaks Protects internal transmission components from contamination Resistant to hydraulic oil, heat, and wear Designed for high-speed rotating shaft applications Direct replacement with no modifications required Function The Hydro-Gear 51017 Lip Seal forms a tight seal around rotating shafts within the hydrostatic transmission, preventing hydraulic fluid from escaping while keeping contaminants out. Proper sealing helps maintain hydraulic pressure, improves transmission efficiency, and extends the service life of pumps, bearings, and internal drive components. Compatible Equipment The 51017 Lip Seal is used in numerous compatible Hydro-Gear hydrostatic transmissions and transaxles commonly found on: Commercial zero-turn mowers Stand-on mowers Riding lawn mowers Commercial turf maintenance equipment Professional grounds maintenance equipment Hydro-Gear transmissions are widely used by manufacturers including: Scag Toro Exmark Ferris Gravely Hustler Wright Bad Boy Bob-Cat Spartan Country Clipper Dixie Chopper And many other outdoor power equipment brands Always verify your Hydro-Gear transmission model and illustrated parts diagram before ordering. Who Is This For? Commercial landscapers Zero-turn mower owners Outdoor power equipment repair technicians Hydraulic transmission specialists Equipment fleet managers Recommended Property Size Ideal for equipment maintaining: Residential estates Commercial landscaping properties Golf courses Municipal parks Sports complexes Industrial facilities Large commercial properties Pros Genuine Hydro-Gear OEM quality Precision factory fit Excellent hydraulic sealing performance Prevents fluid leaks and contamination Heat- and oil-resistant construction Long service life Direct OEM replacement Cons Fits only compatible Hydro-Gear transmission models Best replaced whenever the shaft or transmission housing is disassembled Comparison – Hydro-Gear 51017 vs Aftermarket Lip Seals Hydro-Gear 51017 Genuine OEM specifications Premium oil-resistant sealing material Precision sealing lip design Superior durability and leak protection Designed specifically for Hydro-Gear transmissions Aftermarket Replacement Seals May vary in material quality and dimensions Reduced sealing efficiency Potential fitment issues Shorter service life under heavy-duty operation Why Buy from Barry's Power Equipment? Barry's Power Equipment supplies genuine Hydro-Gear OEM transmission components trusted by commercial landscapers, equipment dealers, and professional repair technicians. Genuine OEM Hydro-Gear replacement parts Fast nationwide shipping Competitive pricing Expert technical support Extensive inventory for Hydro-Gear, Honda, Kawasaki, Kohler, Scag, Toro, Exmark, Ferris, Gravely, Hustler, Cub Cadet, STIHL, and many other leading outdoor power equipment brands.
