013-9003-00 – 3/8 Nylock Jam Nut 1/2 Nut

Key Features of Bad Boy Mower 013-9003-00 – 3/8 Nylock Jam Nut 1/2 Nut

OEM Quality Construction: Genuine Bad Boy jam nut built to factory specifications for strength and precision.
3/8-Inch Thread Size: Provides reliable engagement and tight fastening in various mower applications.
Nylon Insert Lock: Self-locking nylon ring resists loosening caused by vibration and movement.
Jam Nut Design: Low-profile construction allows use in compact or double-nut installations.
Zinc-Plated Finish: Offers superior corrosion protection against moisture and outdoor conditions.
High-Strength Steel: Ensures long-lasting durability and dependable torque retention.
Easy OEM Fitment: Direct replacement part ensures accurate threading and smooth installation.
See Models Used On below for more detail.

SKU:

013-9003-00

$2.99

Usually ship in 1-3 days

Bad Boy Mower 013-9003-00 – 3/8 Nylock Jam Nut 1/2 Nut

The Bad Boy Mower 013-9003-00 – 3/8 Nylock Jam Nut 1/2 Nut is a genuine OEM replacement fastener designed to provide secure locking performance and vibration resistance in critical mower assemblies. Built to Bad Boy’s factory specifications, this jam nut ensures a strong, low-profile fastening solution ideal for tight or high-vibration applications.

Featuring a 3/8-inch thread size with a nylon locking insert, this nut prevents loosening caused by vibration, torque, or repeated use. Its jam nut design offers a thinner profile compared to standard nuts, making it perfect for areas where space is limited or double-nut configurations are required.

Constructed from high-strength steel, the 013-9003-00 delivers dependable performance and consistent clamping force. The durable zinc-plated finish provides long-lasting protection against rust, corrosion, and wear—ensuring smooth operation in outdoor environments and mower applications.

Unlike generic fasteners, the Bad Boy OEM 3/8 Nylock Jam Nut guarantees proper thread engagement, accurate fitment, and long-term reliability. It’s designed to pair perfectly with Bad Boy bolts and hardware for a factory-quality finish that maintains the mower’s original structural integrity.

At BadBoyMowerParts.com, we stock a complete selection of OEM nuts, bolts, and washers engineered specifically for Bad Boy Mowers. With free shipping on orders over $100, you can easily keep genuine parts like the 013-9003-00 on hand to ensure your equipment performs at its best season after season.