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2n2766 Lock Nut for CAT 12G, 12H, 12H ES & more
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Description for 2N2766 Self-locking Nut
â–¶Specification for 2N2766 Self-locking Nut
â–¶Exact Fit Guarantee for 2N2766 Self-locking Nut
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Customer Reviews
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!!!
Rapid response! Excellent service!
Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
Awesome service prices and quality parts
Great customer service answered email question quickly.
Propel parts is a good Cat vendor that provides a top notch service to customers from ordering to delivery. Their after sales service is really impressive.
When I had questions, they were answered quickly and kindly.
Thank you!!
Will definitely use regularly!
Shipped the exact product we were looking for. Prompt Customer Service. Seamless cross-border shipping
Great customer service!
customer service and parts availability is fantastic
Product Questions
Frequently Asked Questions
What is the 2N2766 lock nut used for in Caterpillar equipment?
The 2N2766 lock nut is designed to secure bolts and fasteners in Caterpillar machinery, preventing them from loosening due to vibration or heavy operation. It ensures a reliable and stable connection in engines, structural assemblies, and mechanical systems, helping maintain overall equipment safety and performance.
Which Caterpillar machines use the 2N2766 lock nut?
The 2N2766 replacement is used in multiple Caterpillar engine and heavy equipment platforms. Because fitment varies across machine configurations, always verify the 2N2766 part number in your equipment manual or parts catalog before ordering. The Propel Parts team can also quickly confirm whether it\'s the right match for your machine.
Why is a lock nut like the 2N2766 important in heavy equipment?
Lock nuts provide extra security for bolted connections. The 2N2766 Caterpillar lock nut helps:
- Prevent fasteners from loosening under vibration or stress
- Maintain proper torque and clamping force
- Protect equipment components from movement-related damage
- Ensure the stability and reliability of critical assemblies
Using the correct lock nut is essential to prevent equipment failure and costly repairs.
Does the 2N2766 lock nut meet OEM performance standards?
The 2N2766 meets OEM performance standards and is built to handle the same demanding conditions as the original. Need help confirming compatibility? The Propel Parts team can help identify the correct fit for your application.
How do you install the 2N2766 lock nut correctly?
Proper installation ensures secure fastening and equipment safety. General installation steps include:
- Turn off the machine and ensure the work area is safe
- Thread the 2N2766 lock nut onto the bolt or stud
- Tighten to the manufacturer's recommended torque specification
- Ensure the nut is properly seated and locked in place
Always follow your service manual for detailed torque and installation instructions.
When should the 2N2766 lock nut be replaced?
The lock nut should be replaced if it shows signs of wear, rounding, thread damage, or corrosion. Replacing worn or damaged 2N2766 lock nuts during maintenance helps maintain secure bolted connections and prevents equipment failure in heavy-duty applications.
Can I use an aftermarket replacement for the 2N2766 Caterpillar lock nut?
Yes, and many equipment operators prefer them. Premium aftermarket 2N2766 parts manufactured to meet or exceed OEM specs deliver comparable performance to original parts, often at a lower cost, while maintaining proper system function.
Compatible Models
This 2N2766 Self-locking Nut is compatible with the following models:
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 1693, 16G, 16H NA, 215B, 229D, 235, 235B, 235C, 245 & more...
Shipping | Returns
Shipping
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.
Easy Returns
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.
Warranty
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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