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Description
S04021-20 – SCAG 1-14 Elastic Stop Lock Nut for Fork Assembly (Genuine OEM Part)
The SCAG S04021-20 Elastic Stop Lock Nut is a genuine OEM 1"-14 nylon insert lock nut specifically engineered for SCAG caster fork assemblies and other heavy-duty pivot applications. Manufactured from high-strength steel and equipped with an elastic (nylon) locking insert, this lock nut resists loosening caused by constant vibration, impacts, and rough terrain commonly encountered during commercial mowing.
Designed to SCAG's exact factory specifications, the S04021-20 provides secure retention for caster fork components, helping maintain proper steering stability, wheel alignment, and long-term durability on commercial and residential SCAG mowers.
Product Details
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Manufacturer Part Number: S04021-20
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Brand: SCAG
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Part Type: Elastic Stop Lock Nut
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Thread Size: 1"-14
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Application: Caster Fork Assembly
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Style: Nylon Insert Lock Nut
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Material: High-Strength Steel
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Finish: Corrosion-Resistant Protective Coating
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OEM Status: Genuine SCAG OEM Part
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Installation: Direct OEM replacement
Key Features
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Genuine SCAG OEM replacement hardware
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Precision 1"-14 thread for caster fork applications
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Integrated nylon insert prevents loosening
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Heavy-duty construction for commercial mower use
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Excellent resistance to vibration and impact loads
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Corrosion-resistant finish for extended service life
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Maintains proper caster fork retention and steering stability
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Direct-fit OEM replacement
Function
The SCAG S04021-20 Elastic Stop Lock Nut secures the caster fork assembly to the mower frame while the nylon insert maintains continuous locking pressure. This helps prevent fastener loosening during operation, ensuring smooth caster movement, proper steering control, and dependable performance over uneven terrain.
Compatible SCAG Equipment
The SCAG S04021-20 Lock Nut is commonly used on SCAG equipment equipped with compatible caster fork assemblies, including:
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SCAG Cheetah
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SCAG Cheetah II
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SCAG Turf Tiger
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SCAG Turf Tiger II
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SCAG Tiger Cat
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SCAG Tiger Cat II
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SCAG Patriot
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SCAG Freedom Z
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SCAG Liberty Z
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SCAG V-Ride
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SCAG V-Ride II
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SCAG V-Ride XL
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SCAG Wildcat
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SCAG SWZ Series
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Additional SCAG equipment utilizing 1"-14 caster fork lock nuts
Always verify compatibility using your equipment model and serial number before ordering.
Who Is This For?
Ideal for:
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Commercial landscaping professionals
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Lawn maintenance contractors
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Equipment repair technicians
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Municipal maintenance departments
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Golf course maintenance crews
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Homeowners maintaining SCAG equipment
Recommended Property Size
Suitable for:
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Residential lawns
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Large residential properties
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Commercial landscapes
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Parks
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Athletic fields
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Golf courses
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Municipal grounds
Pros
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Genuine SCAG OEM quality
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Heavy-duty steel construction
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Nylon insert resists vibration loosening
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Precision OEM thread fit
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Corrosion-resistant finish
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Maintains caster steering stability
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Direct OEM replacement
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Long service life
Cons
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Designed specifically for compatible 1"-14 threaded caster fork assemblies
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Nylon insert lock nuts should be replaced if the locking feature becomes worn after repeated removal
Comparison – Genuine SCAG OEM vs Aftermarket Lock Nuts
SCAG S04021-20 Genuine OEM
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Exact factory thread tolerances
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Reliable nylon locking insert
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Superior steel construction
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Excellent vibration resistance
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Guaranteed OEM fit and long-term performance
Aftermarket Alternatives
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Thread tolerances may vary
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Lower-quality locking inserts
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Reduced corrosion resistance
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Less consistent long-term durability
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is an authorized SCAG dealer supplying genuine OEM replacement parts for commercial and residential mowing equipment.
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Genuine SCAG OEM parts
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Authorized SCAG dealer
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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 of genuine SCAG replacement parts
Choose the SCAG S04021-20 Genuine OEM 1"-14 Elastic Stop Lock Nut to ensure secure caster fork retention, dependable steering performance, and long-lasting reliability for your SCAG mower.
