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Description
S04021-11 – SCAG 7/16-14 Elastic Stop Hex Nut (Genuine OEM Part)
The SCAG S04021-11 Elastic Stop Hex Nut is a genuine OEM 7/16"-14 zinc-plated elastic stop lock nut designed to provide secure, vibration-resistant fastening on SCAG commercial and residential lawn mowers. Featuring an integrated nylon locking insert, this heavy-duty fastener helps prevent loosening caused by engine vibration, rough terrain, and continuous mowing operations.
Manufactured from high-strength steel and finished with a corrosion-resistant zinc coating, the S04021-11 delivers long-lasting durability and dependable OEM performance for critical mower assemblies.
Product Details
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Manufacturer Part Number: S04021-11
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Brand: SCAG
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Part Type: Elastic Stop Hex Lock Nut
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Thread Size: 7/16"-14 UNC
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Style: Nylon Insert Lock Nut
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Material: High-Strength Steel
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Finish: Zinc-Plated
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Corrosion Resistance: Yes
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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 7/16"-14 UNC threads
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Nylon insert prevents loosening from vibration
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Heavy-duty steel construction
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Corrosion-resistant zinc finish
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Direct-fit OEM replacement
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Designed for commercial mowing applications
Function
The SCAG S04021-11 Elastic Stop Hex Nut securely fastens components throughout the mower while maintaining constant locking pressure. Its nylon insert minimizes the risk of fastener loosening, helping ensure reliable operation and long service life.
Fits These SCAG Models
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GC-3B Fabric 3-Bag Grass Catcher (S/N K3300001–K3399999)
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GC-SCZ48/52 Fabric 3-Bag Grass Catcher (S/N J2400001–J2499999)
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GC-SCZ48/52-CS Clam Shell Grass Catcher (S/N J2900001–J2999999)
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GC-STC Grass Catcher (S/N 8620001–8629999, 9490001–9499999, A7700001–A7799999, B8100001–B8199999, C9100001–C9199999, E1700001–E1799999)
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GC-STC-61 Grass Catcher (S/N 8780001–8789999)
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GC-STC-61V Fabric 3-Bag Grass Catcher (S/N G8000001–G8099999, J2500001–J2599999)
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GC-STC-CS Clam Shell Grass Catcher (S/N D0000001–D0099999, E1500001–E1599999)
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GC-STC-CSV Clam Shell Grass Catcher (S/N D0100001–D0199999, E1600001–E1699999, G8300001–G8399999, J2800001–J2899999)
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GC-STC-V Grass Catcher (S/N B8200001–B8299999, C9200001–C9299999, E1800001–E1899999, G7900001–G7999999, J2300001–J2399999)
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GC-STT/SCZ-61V Fabric 3-Bag Grass Catcher (S/N F6800001–F6899999, G8200001–G8299999, J2700001–J2799999)
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GC-STT/SCZ-CS 61V Clam Shell Grass Catcher (S/N F6900001–F6999999, G8600001–G8699999, J3200001–J3299999)
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GC-STWC-61 Grass Catcher (S/N 9500001–9509999, A9200001–A9299999, B8300001–B8399999, C9300001–C9399999, E0100001–E0199999)
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GC-STWC-61V Grass Catcher (S/N B8400001–B8499999, C9400001–C9499999, E0200001–E0299999)
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GC-STWC-CS61 Clam Shell Grass Catcher (S/N D0200001–D0299999, E0300001–E0399999)
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GC-STWC-CS61V Clam Shell Grass Catcher (S/N D0300001–D0399999, E0400001–E0499999)
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SCAG Cheetah Series
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SCAG Freedom Z Series
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SCAG Freedom Z Pro Series
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SCAG Tiger Cat Series
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SCAG Turf Tiger Series
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SCAG Wildcat Series
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SCAG V-Ride Series
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SCAG Pro V Series
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SCAG Z-Cat Series
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Numerous additional SCAG commercial mower models listed in the official compatibility guide.
Who Is This For?
Ideal for:
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Commercial landscapers
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Lawn care professionals
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Equipment repair technicians
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Municipal maintenance crews
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Golf course maintenance
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Homeowners maintaining SCAG equipment
Recommended Property Size
Suitable for:
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Residential properties
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Large estates
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Commercial landscapes
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Municipal grounds
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Parks
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Sports fields
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Golf courses
Pros
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Genuine SCAG OEM quality
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Strong vibration resistance
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Zinc-plated for corrosion protection
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Durable nylon locking insert
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Precision OEM fit
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Long service life
Cons
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Fits only compatible 7/16"-14 threaded applications
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Nylon insert should be replaced after repeated reuse if locking performance diminishes
Comparison – Genuine SCAG OEM vs Aftermarket Lock Nuts
SCAG S04021-11 Genuine OEM
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Exact OEM thread specifications
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Premium locking insert
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Superior corrosion protection
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Reliable long-term durability
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Guaranteed SCAG fit
Aftermarket Alternatives
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Thread tolerances may vary
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Lower locking performance
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Reduced corrosion resistance
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Inconsistent long-term reliability
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is an authorized SCAG dealer providing genuine OEM replacement parts backed by knowledgeable customer support.
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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 product support
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Large OEM parts inventory
