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Description
52375 – Hydro-Gear Cap Assembly (Genuine OEM Part)
The Hydro-Gear 52375 Cap Assembly (CAP ASM) is a genuine OEM transmission component designed for use in Hydro-Gear hydrostatic transaxle systems. This cap assembly serves as a protective and sealing element within the transmission housing, helping to secure internal components while maintaining proper hydraulic system integrity.
Manufactured to Hydro-Gear’s strict OEM specifications, the 52375 cap assembly ensures precise fitment, correct sealing performance, and long-term durability under demanding residential and commercial mowing conditions. Using a genuine Hydro-Gear cap assembly guarantees compatibility with factory transmission configurations and supports reliable hydrostatic drive operation.
Key Details:
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Manufacturer: Hydro-Gear
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Part Number: 52375
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Part Type: Cap Assembly
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Function: Seals and protects transmission housing components
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Application: Hydrostatic transaxle system component
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Construction: OEM-grade machined or molded assembly
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Installation: Direct OEM replacement
Compatibility:
The Hydro-Gear 52375 Cap Assembly is used in select Hydro-Gear hydrostatic transmission platforms commonly installed in zero-turn mowers and turf equipment.
Common transmission series include:
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EZT (ZT-2200) Series
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ZT-2800 Series
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ZT-3100 Series
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ZT-3400 Series
These Hydro-Gear systems are widely utilized by equipment manufacturers such as:
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Ariens
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Gravely
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Scag
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Husqvarna
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Toro
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Exmark
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Cub Cadet
The genuine Hydro-Gear 52375 cap assembly helps maintain proper hydraulic sealing, protects internal transmission components, and ensures dependable long-term performance of Hydro-Gear hydrostatic drive systems.

