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Description
52250 – Hydro-Gear Charge Pump O-Ring -137 (.103 Cross Section) (Genuine OEM Part)
The Hydro-Gear 52250 O-Ring – Charge Pump -137 (.103 Cross Section) is a genuine OEM hydraulic sealing component designed specifically for Hydro-Gear hydrostatic transmission charge pump assemblies. This precision O-ring provides a secure, leak-free seal within the charge pump system, maintaining proper hydraulic pressure and ensuring consistent transmission performance.
Manufactured to Hydro-Gear’s strict OEM specifications, the 52250 O-ring is built from high-quality oil-resistant elastomer material capable of withstanding hydraulic fluid exposure, operating pressure, and elevated temperatures. Using a genuine Hydro-Gear O-ring ensures correct dimensional fit, proper sealing performance, and long-term reliability within the hydrostatic system.
Key Details:
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Manufacturer: Hydro-Gear
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Part Number: 52250
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Part Type: Charge Pump O-Ring
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Size: Dash -137
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Cross Section: .103 Inch
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Function: Seals charge pump components to prevent hydraulic fluid leakage
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Material: Oil-resistant elastomer compound
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Installation: Direct OEM replacement
Compatibility:
The Hydro-Gear 52250 Charge Pump O-Ring (-137) is used in select Hydro-Gear hydrostatic pump and transaxle systems equipped with serviceable charge pump assemblies, including:
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ZT-2800 Series
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ZT-3100 Series
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ZT-3400 Series
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ZT-3600 Series
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ZT-5400 Series
These Hydro-Gear transmission systems are widely installed in commercial and heavy-duty zero-turn mowers manufactured by brands such as:
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Ariens
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Gravely
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Scag
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Toro
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Exmark
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Hustler
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Bad Boy
The genuine Hydro-Gear 52250 O-ring is essential for maintaining hydraulic system integrity, preventing fluid leaks, and ensuring dependable charge pump performance in Hydro-Gear hydrostatic drive systems.
