New 9W4381 Track Nut Replacement suitable for Caterpillar Equipment
- New 9W4381 Track Nut Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 9W4381 Track Nuts
â–¶Specification for 9W4381 Track Nuts
â–¶Exact Fit Guarantee for 9W4381 Track Nuts
â–¶| Dimensions | 1.18x1.18x0.79 |
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Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.
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Excellent experience.
Mike has been very helpful. I am looking forward to keep doing business with them -
La mejor experiencia y calidad
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Good Stuff.
We have had a couple shipping issues, but each time they made it right and we ended up getting what we need. Quality parts at half the price of OEM. -
I almost want to cry ;( writing this review because I dont want people to find out about them and rather keep them in my pocket but they deserve it…
This company is great with Quality Products at amazing prices! Sometimes, their website is not the most accurate but is user friendly and if you got questions they will call back and are very prompt in responding via a call or text to verify inventory before placing an order.
I really appreciate and look forward to continuing to work with you all especially Anthony — he is amazing & the best!!!
Frequently Asked Questions
What equipment is the 9W4381 track nut compatible with?
The 9W4381 track nut is designed for various Caterpillar equipment used in construction and earthmoving applications. Compatibility may vary depending on the model and undercarriage configuration.
- It is commonly used in track assemblies
- Suitable for machines operating in heavy-duty environments
If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.
Does this track nut meet performance standards for heavy-duty use?
Yes, this is a premium aftermarket component engineered to handle demanding working conditions. It is manufactured to ensure:
- Strong clamping force
- Resistance to vibration and loosening
- Long-lasting durability
It meets or exceeds OEM specifications, making it a reliable choice for equipment maintenance.
When should I replace a track nut on my equipment?
You should consider replacing the track nut if you notice:
- Visible wear or thread damage
- Loosening during operation
- Corrosion affecting performance
Regular inspection of your undercarriage system helps prevent costly downtime and ensures optimal machine performance.
Is this 9W4381 track nut easy to install?
Yes, installation is straightforward for experienced technicians. However, proper torque and installation practices are essential.
- Always clean threads before installation
- Use correct torque specifications
- Replace worn bolts along with nuts if needed
When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications.
Can I use this track nut with other undercarriage components?
This track nut is designed to work seamlessly with compatible bolts and track assemblies. For best performance, it is recommended to pair it with matching components from the same system.
For a complete solution, you can explore related undercarriage parts to ensure proper fit and long-term reliability.
What makes this a reliable aftermarket replacement?
This is a high-quality aftermarket track nut manufactured with precision and durability in mind. Key benefits include:
- High-strength material construction
- Consistent thread accuracy
- Resistance to wear and stress
It is built to meet or exceed OEM expectations, ensuring dependable performance in tough job site conditions.
How do I ensure proper fitment before purchasing?
To confirm compatibility:
- Check your equipment manual
- Verify part numbers
- Compare specifications carefully
If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.
Should I replace track bolts along with the track nut?
Yes, it is often recommended to replace both components together to maintain proper fastening strength and safety. Worn bolts can compromise the performance of a new nut.
You can also browse compatible track bolts and nuts to ensure a complete and secure replacement setup.

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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