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Description
Ariens Gravely 21548300 Hydraulic Oil Filter with O-Ring | ZT-5400 | Genuine OEM
The Ariens Gravely 21548300 Hydraulic Oil Filter with O-Ring is a genuine OEM replacement filter designed for compatible ZT-5400 hydrostatic transmission systems. This complete filter assembly helps remove dirt, metal particles, and other contaminants from hydraulic oil, protecting critical transmission components and maintaining smooth, reliable hydrostatic performance.
The 21548300 FILTER-HYD OIL W/ORING ZT-5400 includes the required O-ring to help provide a proper seal during installation and minimize the risk of hydraulic oil leakage. Manufactured to Ariens/Gravely factory specifications, this OEM filter is designed for dependable filtration and long service life under demanding mowing conditions.
Product Features
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Brand: Ariens / Gravely
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Part Number: 21548300
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Product Type: Hydraulic Oil Filter with O-Ring
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Genuine Ariens/Gravely OEM replacement part
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Designed for ZT-5400 hydrostatic transmissions
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Includes O-ring for proper sealing
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Helps remove contaminants from hydraulic oil
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Protects internal transmission and hydraulic components
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Precision-engineered for proper OEM fit
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Designed for reliable performance under demanding conditions
Ideal Applications
The Ariens Gravely 21548300 Hydraulic Oil Filter with O-Ring is ideal for:
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Ariens zero-turn mowers
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Gravely zero-turn mowers
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ZT-5400 hydrostatic transmissions
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Commercial mowing equipment
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Hydrostatic transmission maintenance
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Hydraulic oil service and replacement
Benefits
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Helps keep hydraulic oil clean
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Protects internal transmission components from contamination
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Supports smooth and efficient hydrostatic operation
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Helps reduce premature hydraulic component wear
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Included O-ring helps provide a secure, leak-resistant seal
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Genuine OEM quality ensures proper fit and filtration
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Helps extend hydrostatic transmission service life
Specifications
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Brand: Ariens / Gravely
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Part Number: 21548300
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Product Type: Hydraulic Oil Filter
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OEM: Genuine Ariens/Gravely Part
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Transmission: ZT-5400
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Includes: O-Ring
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Function: Filters contaminants from hydraulic oil
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Application: Hydrostatic transmission and hydraulic system
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Installation: Direct OEM replacement
Compatible Equipment
The Ariens Gravely 21548300 Hydraulic Oil Filter with O-Ring fits select Ariens and Gravely zero-turn mowers equipped with ZT-5400 hydrostatic transmissions.
Always verify your mower model, transmission model, serial number, and OEM part number before ordering to ensure proper fit.
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is your trusted source for genuine OEM outdoor power equipment parts and hydrostatic transmission service components.
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Genuine OEM Ariens & Gravely Parts
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Fast Shipping Throughout the USA
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Competitive Pricing
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Expert Customer Support
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Trusted by Homeowners and Professional Landscapers
Keep your ZT-5400 hydrostatic transmission operating cleanly and reliably with the Ariens Gravely 21548300 Hydraulic Oil Filter with O-Ring. Designed to OEM specifications, this genuine replacement filter provides dependable hydraulic filtration and includes the O-ring needed for proper installation.

