New 7X0366 Cap Screw Replacement suitable for Caterpillar Equipment
- New Cap Screw Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 7X0366 Cap Screw
▶Specification for 7X0366 Cap Screw
▶Exact Fit Guarantee for 7X0366 Cap Screw
▶| Dimensions | 2.36x1.10x1.10 |
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A Delay Handled the Right Way
Honestly, if I were in Miami like my shipment was, I wouldn?t have been in a hurry to ship out either. I was frustrated at first ? delays cost me time on the job ? but Propel Parts stepped up.
Deb, Daniel and the team owned the mistake, kept the communication clear, and graciously refunded my shipping costs without making it a hassle. That kind of accountability is rare these days, and I genuinely appreciated how they handled it.
Things don?t always go perfectly, but these folks proved they?re more interested in doing right by their customers than just pushing parts out the door. Solid company, solid people.
? Jimmy Spong
Hartco Mobile Welding
P.S. Incredible quality on the pin as well. I had to do some custom modifying, and let?s just say the case hardening was ? well ? hard. Great Stuff! Thank you. -
Tiene una buena atención y servicio
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This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
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Online order.
I had a good experience this morning I placed an online order and everything went smoothly. The staff at propel parts has always been helpful in the past when I have been looking for harder to find parts or something that wasn’t listed online. -
Great site and price
Frequently Asked Questions
What is the 7X0366 Cap Screw used for on Caterpillar equipment?
The 7X0366 is a standard hex cap screw used across a wide variety of Caterpillar machinery for fastening structural components, covers, brackets, and housings. Its specific thread, diameter, and grade are engineered to meet the clamping force requirements of the Caterpillar assemblies it serves.
What are the thread specifications and grade of the 7X0366?
The 7X0366 is a metric-grade cap screw. Exact dimensions including thread pitch, length, and head size are listed on the Propel Parts product page. Always confirm the part number and cross-reference with your machine's parts book to ensure an exact match before installation.
Can I use a standard hardware store bolt instead of the 7X0366?
- While it may be tempting to substitute a generic fastener, Caterpillar cap screws are manufactured to specific grade and dimension standards that ensure correct torque, stretch, and clamping performance.
- Using an incorrect grade fastener in a high-vibration or high-load application can lead to fastener failure.
- When replacing, choose a high-quality aftermarket fastener that meets OEM specifications — like the 7X0366 from Propel Parts.
What torque should I apply to the 7X0366 cap screw?
Torque specifications vary by application. Always refer to your Caterpillar service manual for the torque value appropriate to the specific assembly you are working on. Using the correct torque prevents both under-tightening (which leads to loosening) and over-tightening (which can strip threads or cause fastener fatigue).
Should I use thread locking compound with the 7X0366?
This depends on the application. Some Caterpillar assemblies call for a specific thread-locking compound or anti-seize; others require clean, dry threads. Always consult the service manual for the specific assembly. Applying thread locker when the manual calls for anti-seize — or vice versa — can cause problems during future maintenance.
How many cap screws will I need for a typical job?
The quantity needed depends on the specific assembly you are fastening. Check your machine's parts manual for the bill of materials. It is always wise to order a few extra when replacing fasteners in bulk, as cross-threading or damage during removal is common in corrosion-prone environments.
Does Propel Parts sell other common fasteners for Caterpillar equipment?
Yes. Propel Parts stocks a wide range of Caterpillar-compatible fasteners. If you need additional hardware for your project, consider also checking out the 6V0937 Bolt for Caterpillar Equipment, a similarly versatile fastener that complements the 7X0366 in many service jobs.

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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