013-8047-00 - Bad Boy Mower Parts
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013-8047-00 – 5/16-18 Nylon Insert Locknut – Zinc

Key Features of Bad Boy Mower 013-8047-00 – 5/16-18 Nylon Insert Locknut - Zinc

  • OEM Quality Construction: Genuine Bad Boy replacement nut designed to factory specifications for fit and durability.
  • 5/16-18 Thread Pattern: Coarse thread provides strong grip and secure fastening in multiple mower applications.
  • Nylon Insert Lock: Built-in nylon ring resists loosening caused by vibration and movement.
  • Zinc-Plated Finish: Corrosion-resistant coating offers long-lasting protection against rust and wear.
  • Durable Steel Core: Provides superior strength and reliable clamping force under heavy use.
  • Vibration Resistant: Self-locking design maintains tight hold throughout extended operation.
  • Easy OEM Replacement: Smooth threading ensures accurate fit and quick installation without cross-threading.
  • See Models Used On below for more detail.

  • SKU:

    013-8047-00

$2.99
Usually ship in 1-3 days

Bad Boy Mower 013-8047-00 – 5/16-18 Nylon Insert Locknut – Zinc

The Bad Boy Mower 013-8047-00 – 5/16-18 Nylon Insert Locknut – Zinc is a genuine OEM replacement fastener built for strength, precision, and long-lasting performance. Designed to secure mower components against vibration and loosening, this locknut ensures dependable operation and proper alignment across critical assemblies.

Featuring a 5/16-18 coarse thread pattern, this nut offers reliable engagement and consistent torque retention. The integrated nylon insert provides self-locking protection, preventing unintentional loosening caused by vibration or constant motion. It’s ideal for use in high-vibration environments such as mower decks, frames, and engine brackets.

The durable zinc-plated finish delivers excellent corrosion resistance and extends the life of the hardware even in outdoor or wet conditions. Its smooth threading and precision manufacturing ensure easy installation and secure fastening every time.

Unlike generic alternatives, the Bad Boy OEM 5/16-18 Nylon Insert Locknut guarantees accurate fitment, consistent torque, and superior holding power. Using genuine OEM hardware maintains the integrity, safety, and performance of your mower throughout every mowing season.

At BadBoyMowerParts.com, we stock the complete line of OEM nuts, bolts, and washers engineered to exact Bad Boy standards. With free shipping on orders over $100, keeping essential parts like the 013-8047-00 ensures your equipment stays tight, reliable, and ready to perform.

Models Used On

(Click Link For Diagram)

2026

2025

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