Bad Boy Part Number 013-5041-00
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013-5041-00 – 3/8-16 Nylon Insert Locknut Zinc

Key Features of Bad Boy Mower 013-5041-00 – 3/8-16 Nylon Insert Locknut Zinc

  • OEM Replacement Hardware: Genuine Bad Boy locknut designed for 3/8-16 threaded fastener applications.
  • Nylon Insert Design: Prevents loosening under vibration for secure, long-lasting fastening.
  • High-Strength Steel Construction: Built for maximum durability and torque resistance.
  • Zinc-Plated Finish: Provides excellent corrosion protection in outdoor environments.
  • Precision Threading: Ensures smooth installation and consistent torque retention.
  • Vibration Resistant: Ideal for mower decks, frames, and high-impact assemblies.
  • OEM Quality Guarantee: Meets Bad Boy’s factory specifications for performance and reliability.
  • See Models Used On below for more detail.

  • SKU:

    013-5041-00

$2.99
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Bad Boy Mower 013-5041-00 – 3/8-16 Nylon Insert Locknut Zinc

The Bad Boy Mower 013-5041-00 – 3/8-16 Nylon Insert Locknut Zinc is a genuine OEM replacement fastener designed to deliver secure, vibration-resistant connections throughout your Bad Boy mower. Built for strength and precision, this locknut features a nylon insert that firmly grips the bolt threads to prevent loosening caused by vibration and heavy-duty operation.

Constructed from high-strength steel and finished with a corrosion-resistant zinc coating, the 013-5041-00 ensures durability and long-term reliability even in harsh outdoor environments. The nylon locking ring maintains consistent torque and prevents the nut from backing off, reducing maintenance and ensuring safe operation of critical components.

This OEM 3/8-16 locknut is commonly used in deck, frame, and suspension assemblies across multiple Bad Boy mower models. Its precise threading and zinc finish make installation easy while providing superior protection against rust and wear.

Aftermarket substitutes may lack proper thread engagement or use lower-grade nylon inserts that lose their locking ability over time. The Bad Boy OEM 013-5041-00 Nylon Insert Locknut guarantees factory-quality fitment, strength, and vibration resistance—ensuring your mower remains solid and secure through every season.

At BadBoyMowerParts.com, we carry the complete range of OEM hardware, bolts, nuts, and washers engineered for Bad Boy Mowers. With free shipping on orders over $100, maintaining your mower with genuine parts like the 013-5041-00 ensures lasting performance and peace of mind.

Models Used On

(Click Link For Diagram)

2026

2025

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