Description
Genuine AxleTek Castle Nut Kit – 1-1/4"-14 Thread for 2K–8K Trailer Axles | Part #11-300
Secure your trailer hubs with confidence using the Genuine AxleTek Castle Nut Kit. Designed for 2,000–8,000 lb trailer axle applications, this kit features a 1-1/4"-14 threaded slotted (castle) nut with a 6-castellation design for proper hub retention.
Perfect for hub and bearing service, replacements, or axle rebuilds, this kit includes everything needed for proper installation on two hubs: castle nuts, hardened washers, and cotter pins to lock everything in place.
Key Features
- 1-1/4"-14 thread slotted castle nuts
- 6-castellation design for secure cotter pin locking
- Includes washers and cotter pins for complete installation
- Works for most 2K–8K axle hub applications
Compatibility
Commonly compatible with most popular trailer axle brands including Dexter, Lippert, AL-KO Hayes, and many aftermarket axle systems. Always confirm thread size before ordering.
What’s Included
- (2) Slotted Castle Nuts – 1-1/4"-14 (A00617600)
- (2) Washers (A00502700)
- (2) Cotter Pins – 1/8" x 1-3/4" (A01900200)
Specifications
- Brand: Genuine AxleTek
- Application: 2,000–8,000 lb trailer axle hubs
- Thread Size: 1-1/4"-14
- Nut Style: Slotted / Castle Nut (6-Castellation)
- Listing/Reference #: 11-300
Pro Tip: Always replace castle nuts and cotter pins during hub service to ensure secure installation and prevent hub failure.
Looking for a reliable Castle Nut Kit? You’re in the right place. TowParts offers premium replacement parts for your trailer.
Why Choose Our Castle Nut Kit for Your Trailer?
When it comes to towing safety and reliability, selecting the right Castle Nut Kit is absolutely critical. At TowParts, we understand that whether you are hauling heavy equipment, a recreational vehicle, or a simple utility trailer, every component plays a vital role in your journey. Our GENUINE AXLETEK Castle Nut Kit, 1-1/4″-14 for 2-8K lb axle (6-Castellation) includes washer and cotter pin is engineered to meet the highest industry standards, ensuring that you can tow with complete peace of mind.
Uncompromising Quality and Durability
Trailer parts face immense stress, weather exposure, and constant vibration on the road. That is why our Castle Nut Kit selection features heavy-duty materials designed to resist wear, tear, and corrosion. By upgrading to premium components, you significantly reduce the risk of on-road failures and extend the lifespan of your trailer. Regular maintenance combined with high-quality replacement parts is the secret to a trailer that lasts for decades.
The Importance of Proper Trailer Maintenance
Ignoring worn-out components can lead to catastrophic failures. We highly recommend inspecting your Castle Nut Kit regularly. Look for signs of stress, rust, or mechanical fatigue. Replacing a compromised Castle Nut Kit before your next long trip is a small investment that guarantees the safety of your cargo, your vehicle, and other drivers on the road. Always ensure that your replacement parts match your axle’s weight capacity and specifications.
Expert Support from TowParts
Finding the correct replacement part can sometimes be confusing, but TowParts is here to help. We pride ourselves on providing not just top-tier parts like the GENUINE AXLETEK Castle Nut Kit, 1-1/4″-14 for 2-8K lb axle (6-Castellation) includes washer and cotter pin, but also the expertise you need to get the job done right. We source directly from trusted manufacturers to bring you professional-grade trailer parts at competitive wholesale and retail prices.
Upgrade your setup today with the best Castle Nut Kit on the market and experience the difference that true quality makes. Safe towing starts with reliable parts, and TowParts is your dedicated partner for the long haul.


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