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Description
S921D – 11x4.00-5 Reliance Wheel Assembly (Genuine Wright OEM Wheel Assembly)
The Wright S921D Reliance Wheel Assembly is a genuine OEM replacement 11x4.00-5 caster wheel assembly engineered for dependable performance on compatible Wright stand-on and commercial mowers. Designed to deliver smooth rolling, excellent stability, and long service life, this complete wheel assembly helps maintain precise steering and minimizes turf disturbance on a variety of mowing surfaces.
Featuring a durable pneumatic tire mounted on a heavy-duty steel wheel, the S921D Wheel Assembly is built to withstand commercial mowing conditions, including rough terrain, continuous operation, and heavy loads. Installing a genuine Wright OEM wheel assembly helps restore factory ride quality, improve maneuverability, and maximize equipment performance.
Product Details
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Part Number: S921D
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Brand: Wright
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Part Type: Wheel Assembly
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Wheel Size: 11 x 4.00-5
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Tire Brand: Reliance
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Tire Type: Pneumatic
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Function: Supports mower weight while providing smooth rolling and maneuverability
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Wheel Construction: Heavy-Duty Steel Rim
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Installation: Direct OEM Replacement
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OEM Status: Genuine Wright OEM Part
Key Features
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Genuine Wright OEM wheel assembly
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Complete 11x4.00-5 wheel and tire assembly
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Premium Reliance pneumatic tire
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Heavy-duty steel wheel
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Smooth rolling performance
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Excellent traction and stability
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Designed for commercial mowing applications
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Direct replacement with no modifications required
Function
The S921D Wheel Assembly supports the mower while providing smooth movement across turf and uneven terrain. Its pneumatic tire absorbs shocks and vibrations, improving ride comfort, steering precision, and reducing stress on the caster fork and axle components.
Compatible Equipment
The Wright S921D Wheel Assembly fits selected Wright commercial mowers equipped with 11x4.00-5 front caster wheels, including various:
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Wright Stander® Series
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Wright Stander X®
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Wright Stander B®
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Wright Stander ZK®
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Wright Sentar®
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Other compatible Wright commercial mower models utilizing OEM part number S921D
Always verify your mower model, serial number, wheel size, and original OEM part number before ordering to ensure proper compatibility.
Who Is This For?
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Commercial landscapers
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Lawn care professionals
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Municipal maintenance departments
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Golf course maintenance crews
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Equipment repair technicians
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Wright mower owners
Recommended Property Size
Ideal for maintaining:
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Commercial landscapes
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Parks
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Schools
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Sports complexes
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Golf courses
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Municipal properties
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Large residential estates
Pros
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Genuine Wright OEM quality
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Complete wheel and tire assembly
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Premium Reliance pneumatic tire
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Heavy-duty steel wheel construction
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Smooth ride and excellent stability
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Factory-correct fit
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Long service life
Cons
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Compatible only with mowers using 11x4.00-5 wheel assemblies
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Tire pressure should be checked regularly for optimum performance
Comparison – Wright S921D OEM Wheel Assembly vs Aftermarket Wheel Assemblies
Wright S921D Genuine OEM Wheel Assembly
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Exact OEM dimensions
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Premium Reliance tire
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Heavy-duty steel rim
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Excellent durability and ride quality
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Designed specifically for Wright commercial mowers
Aftermarket Wheel Assemblies
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May vary in tire quality and wheel dimensions
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Variable bearing and rim quality
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Potential fitment differences
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Reduced durability under commercial use
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine Wright OEM replacement parts trusted by commercial landscapers, fleet managers, and professional equipment technicians.
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Genuine OEM Wright replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Wright, SCAG, Toro, Exmark, Ariens, Gravely, Kawasaki, Kohler, Honda, Briggs & Stratton, Ferris, Hustler, Cub Cadet, John Deere, STIHL, and many other leading outdoor power equipment brands.


