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Description
3231-40 – Carriage Bolt (4DW) (Genuine Exmark OEM Fastener)
The Exmark 3231-40 Carriage Bolt (4DW) is a genuine OEM replacement fastener engineered to securely assemble and support critical components on compatible Exmark commercial mowers and turf equipment. Manufactured to Exmark's exact specifications, this heavy-duty carriage bolt features a smooth, rounded head with a square neck that locks into place during installation, preventing the bolt from rotating while the nut is tightened.
Constructed from high-strength steel with a corrosion-resistant finish, the 3231-40 Carriage Bolt is designed to withstand vibration, heavy loads, and harsh outdoor conditions, making it ideal for commercial lawn care and grounds maintenance applications.
Product Details
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Part Number: 3231-40
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Brand: Exmark
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Part Type: Carriage Bolt
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Series: 4DW
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Head Style: Rounded Carriage Head
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Material: High-Strength Steel
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Finish: Corrosion-Resistant Coating
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Installation: Direct OEM Replacement
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Genuine Exmark OEM Part
Key Features
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Genuine Exmark OEM carriage bolt
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Heavy-duty steel construction
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Rounded head with square neck for secure installation
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Corrosion-resistant finish for long-lasting durability
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Designed to resist loosening under vibration
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Precision-manufactured to OEM specifications
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Direct replacement with no modifications required
Function
The 3231-40 Carriage Bolt securely fastens structural, deck, and chassis components while maintaining proper alignment and stability. The square neck prevents the bolt from spinning during installation, allowing for quick and secure tightening with a single wrench.
Compatible Equipment
The Exmark 3231-40 Carriage Bolt is used on numerous Exmark commercial outdoor power equipment models, including selected:
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Exmark Lazer Z® Zero-Turn Mowers
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Exmark Vertex® Stand-On Mowers
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Exmark Turf Tracer® Walk-Behind Mowers
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Exmark Radius® Zero-Turn Mowers
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Exmark Quest® Zero-Turn Mowers
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Exmark Z-Aerate® Aerators
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Other Exmark commercial equipment utilizing this OEM carriage bolt
Always verify your equipment model, serial number, and illustrated parts diagram 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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Grounds maintenance crews
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Equipment repair technicians
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Exmark equipment owners
Recommended Property Size
Ideal for equipment maintaining:
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Residential estates
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Commercial properties
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Golf courses
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Municipal parks
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Schools and universities
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Sports complexes
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Industrial facilities
Pros
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Genuine Exmark OEM quality
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Heavy-duty steel construction
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Corrosion-resistant finish
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Secure anti-rotation carriage design
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Factory-correct fit
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Long service life
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Easy installation
Cons
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Fits only compatible Exmark applications
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Matching OEM nut and washer should be inspected or replaced during installation if worn
Comparison – Exmark 3231-40 OEM Carriage Bolt vs Aftermarket Fasteners
Exmark 3231-40 Genuine OEM Carriage Bolt
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Exact OEM dimensions
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High-strength steel construction
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Precision square-neck design
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Excellent corrosion resistance
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Designed specifically for Exmark equipment
Aftermarket Carriage Bolts
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May vary in dimensions or thread quality
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Variable material strength
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Reduced corrosion protection
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Potential fitment and durability issues
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine Exmark OEM replacement parts trusted by commercial landscapers and professional equipment technicians.
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Genuine OEM Exmark 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 Exmark, Scag, Ariens, Gravely, Hydro-Gear, Briggs & Stratton, Kawasaki, Kohler, Honda, Toro, Ferris, Hustler, Cub Cadet, John Deere, STIHL, and many other leading outdoor power equipment brands.



