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Description
51563 – Hydro-Gear Hydraulic Oil Filter (Genuine OEM Part)
The Hydro-Gear 51563 Hydraulic Oil Filter is a genuine OEM filtration component designed to protect Hydro-Gear hydrostatic transmission systems from harmful contaminants. This high-efficiency hydraulic oil filter removes debris, metal particles, and impurities from the hydraulic fluid, ensuring clean oil circulation and maintaining optimal transmission performance.
Manufactured to Hydro-Gear’s strict OEM standards, the 51563 oil filter delivers precise fitment, proper flow rate, and reliable filtration capacity required for hydrostatic drive systems. Using a genuine Hydro-Gear hydraulic filter helps extend transmission life, maintain smooth drive operation, and protect internal pump and motor components from premature wear.
Key Details:
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Manufacturer: Hydro-Gear
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Part Number: 51563
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Part Type: Hydraulic Oil Filter
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Function: Filters hydraulic fluid in hydrostatic transmission systems
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Design: High-efficiency filtration media with durable metal housing
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Installation: Direct OEM replacement
Compatibility:
The Hydro-Gear 51563 Hydraulic Oil Filter is commonly used on serviceable Hydro-Gear hydrostatic transaxles and pump systems found in commercial and heavy-duty zero-turn mowers.
Typically compatible with select Hydro-Gear models 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 professional outdoor power equipment from manufacturers such as:
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Scag
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Ariens
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Gravely
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Hustler
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Exmark
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Toro
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Bad Boy
The genuine Hydro-Gear 51563 hydraulic oil filter is essential for maintaining clean hydraulic fluid, protecting internal transmission components, and ensuring reliable hydrostatic drive performance in commercial turf equipment.

