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Description
Toro 112-3977 Shoulder Bolt – Genuine OEM Replacement Pivot Bolt
The Toro 112-3977 Shoulder Bolt is a genuine OEM replacement fastener designed for select Toro commercial and residential lawn mowers and outdoor power equipment. Precision-engineered to Toro's exact specifications, this shoulder bolt provides a secure fastening point while allowing smooth pivoting or rotational movement of attached components, making it an essential part of many idler, linkage, and deck assemblies.
Manufactured from high-strength, heat-treated steel, the 112-3977 Shoulder Bolt offers exceptional durability and resistance to wear, vibration, and heavy-duty operating conditions. Whether replacing a worn, damaged, or missing fastener, this genuine Toro OEM part restores the original fit, function, and reliability of your equipment.
Key Features
Part Number: 112-3977
Brand: Toro
Product Type: Shoulder Bolt
OEM Quality: Genuine Toro OEM replacement
Material: Heat-treated, high-strength steel
Function: Provides a secure mounting point while allowing smooth pivoting or rotation of mechanical components.
Benefits
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Genuine Toro OEM replacement part
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Precision-machined for an exact factory fit
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High-strength steel construction for maximum durability
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Designed to withstand vibration and heavy loads
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Supports smooth movement of pivoting components
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Helps maintain proper equipment operation
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Ideal for routine maintenance and repairs
Compatibility
The Toro 112-3977 Shoulder Bolt is compatible with select Toro commercial and residential lawn mowers and outdoor power equipment requiring part number 112-3977.
Always verify your equipment model, serial number, parts diagram, and OEM part number before ordering to ensure proper fitment.
Ideal For
Perfect 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 departments
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Property managers
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Homeowners maintaining Toro equipment
Recommended Applications
Ideal for:
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Idler pulley assemblies
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Linkage repairs
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Deck component service
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Chassis assembly
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Preventative maintenance
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General equipment repairs
Pros
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Genuine Toro OEM quality
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Precision direct-fit replacement
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Heat-treated steel construction
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Excellent wear and vibration resistance
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Supports smooth pivot operation
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Easy installation
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Long service life
Cons
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Compatible only with equipment requiring Toro 112-3977
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Shoulder dimensions are application-specific
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Always inspect related bushings, spacers, and lock nuts during replacement
Why Buy from Barry's Power Equipment?
At Barry's Power Equipment, we provide genuine Toro replacement parts trusted by commercial landscapers, repair technicians, and homeowners nationwide.
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Genuine OEM Toro 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 source for outdoor power equipment parts and accessories
Keep your equipment operating smoothly with the Toro 112-3977 Shoulder Bolt. Built to genuine Toro OEM standards, this precision replacement fastener delivers secure mounting, reliable pivot performance, and long-lasting durability for demanding outdoor power equipment applications.



