Details
Description for 4K0367 Hex Nut
â–¶Specification for 4K0367 Hex Nut
â–¶Exact Fit Guarantee for 4K0367 Hex Nut
â–¶Reviews
Customer Reviews
Great place for Cat parts!
Had some shipping difficulties, but everything was made right. Parts were perfect and an excellent price. Thanks!
Good Customer Service. Fast Shipping. A+++
Propel Parts provided quality parts for my Caterpillar needs at a very fair price. Shipping to my international location was very fast. took about a week for the parts to get here. Seller is also responsive with my inquiry.
Thanks again
customer service and parts availability is fantastic
Amazing Help.
I don't know who I spoke with, but they were helpful. We will be buying those parts shortly.
Rapid response! Excellent service!
Original Review (Portuguese)
Muito bom atendimento
Ótima empresa
English Translation
Very good service.
Excellent company.
helpful and professional.
quick and professional service.
The customer care response was very awesome. It was more than what I expected
The customer care response was very effective and timely
The response time was amazing
The availability of most of the parts that I wanted was also very awesome
Thanks keep it up
Buen servicio y atención
Product Questions
Frequently Asked Questions
What is the 4K0367 nut used for in Caterpillar equipment?
The 4K0367 nut is a critical fastening component designed to secure various assemblies within Caterpillar machinery. It helps maintain structural integrity and ensures that connected parts remain tightly in place during heavy-duty operations. Using a high-quality aftermarket replacement that meets OEM specifications ensures long-term reliability and performance.
Is the 4K0367 nut compatible with my Caterpillar machine?
This nut is designed to fit a range of Caterpillar equipment models, but compatibility can vary depending on the machine type and configuration.
- Always cross-check the part number in your equipment manual
- Verify dimensions and thread specifications
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.
What material is the 4K0367 nut made from?
The 4K0367 nut is typically manufactured from high-strength, durable metal designed to withstand vibration, pressure, and harsh working environments. Premium aftermarket options are engineered to resist corrosion and wear, ensuring extended service life even in demanding applications.
Why should I choose a high-quality aftermarket replacement for this nut?
A premium aftermarket 4K0367 nut offers:
- Reliable fit and performance
- Cost-effective alternative to original parts
- Durability that meets or exceeds OEM expectations
When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to ensure optimal machine performance.
How do I install the 4K0367 nut correctly?
Proper installation is essential to avoid loosening or damage:
- Clean the threads before installation
- Use the correct torque settings as per your manual
- Avoid over-tightening to prevent thread damage
For best results, follow your equipment manufacturer’s guidelines or consult a technician if needed.
Can a worn-out nut affect overall equipment performance?
Yes, even a small component like a nut can impact performance. A worn or damaged nut may:
- Cause loosening of connected parts
- Lead to vibration-related issues
- Increase wear on surrounding components
For long-term reliability, it’s also important to maintain related components found in Caterpillar engine parts to ensure the entire system functions smoothly.
How often should I replace the 4K0367 nut?
There’s no fixed replacement interval, but you should inspect it regularly during maintenance checks. Replace the nut if you notice:
- Stripped or damaged threads
- Corrosion or rust
- Loss of tightening strength
Routine inspections help prevent unexpected breakdowns and costly repairs.
Are there related parts I should check when replacing this nut?
Yes, it’s a good idea to inspect associated fasteners and connected assemblies to ensure everything is secure and functioning properly.
- Check bolts, washers, and threaded components
- Look for wear or misalignment in connected parts
You can explore other compatible fastening and maintenance components in heavy equipment fasteners to keep your machinery operating efficiently.
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.
Exact Fit Guarantee
Exact Fit Guarantee®
The right part — or we'll make it right.
Order Normally
Know your part number?
Simply place your order.
Not Sure?
Place your order, then send us your serial number before it ships.
We'll verify fit.We Make It Right
Wrong part? We'll make it right.Fast. At our expense.

