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New 4B4280 Washer Replacement suitable for Caterpillar Equipment
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Description for 4B4280 Washer
â–¶Specification for 4B4280 Washer
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Customer Reviews
Very helpful. Every question or request I had was answered quickly. I didn't have a parts book for my excavator but that was no problem for them. If you need parts for your Cat, give them a shot.
Tiene una buena atención y servicio
Quick Respond.
The quick respond much appreciated.
Keep this up.
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.
Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.
This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
Quick and efficient.
Great products and a great team to deal with. We had a small issue with a missing part and the Customer Services Team dealt with it quickly and efficiently and in a way which left me, the customer, feeling entirely satisfied. Would highly recommend.
Very nice job
perfect service
Quick Response. Very much appreciated.
Product Questions
Frequently Asked Questions
What is the Caterpillar 4B4280 washer used for?
The 4B4280 washer is designed to help distribute fastening load evenly across Caterpillar equipment assemblies, improving bolt stability and reducing wear caused by vibration and heavy operating conditions.
What are the benefits of using a high-quality washer?
- Helps improve load distribution across fastening surfaces
- Reduces loosening caused by vibration
- Supports longer service life for bolts and connected components
What are common signs that a washer should be replaced?
Signs include corrosion, cracking, flattening, deformation, or uneven wear affecting fastening performance.
Can a damaged washer affect equipment reliability?
Yes, a worn washer may reduce clamping effectiveness, increase vibration, and contribute to premature wear on surrounding components.
Is the 4B4280 washer compatible with multiple Caterpillar machines?
Compatibility depends on your machine model and assembly configuration. Please reach out to Propel Parts for help verifying fitment.
Are aftermarket replacement washers reliable?
Yes. High-quality aftermarket washers that meet or exceed OEM specifications provide dependable durability and fastening support in demanding equipment applications.
Are related fastening components commonly used with this washer?
Yes, components such as the Caterpillar 1A1460 capscrew are often paired with washers to improve fastening stability and load distribution.
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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