Worldwide Shipping
New 3E4878 Bushing Replacement suitable for Caterpillar Equipment
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
Secure Checkout
•
Trusted Since 2012
Details
Description for 3E4878 Bushing
â–¶Specification for 3E4878 Bushing
â–¶Exact Fit Guarantee for 3E4878 Bushing
â–¶Reviews
Customer Reviews
Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended
Received 15 items within 5 days from placing order !
Great. !
customer service and parts availability is fantastic
This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
Very prompt services !
GREAT CUSTOMER SERVICED
WANTED TO THANK PROPEL PARTS FOR THEIR ATTENTION TO AN URGENT MATTER I HAD. THEY RESPONDED QUICKLY & RESOLVED IT. I ALSO WANTED TO MENYTION THAT OUR CUSTOMER'S ARE VERY HAPPY WITH THE PARTS EWE HAVE BEEN ORDERING FROM PROPEL. WE WILL DEFINITLEY CONTINUE TO DO BUSINESS.
Quick Response. Very much appreciated.
Great customer services, the best
Great Customer Service!
Had some difficulties with the website. Contacted customer service. Once I communicated the issues I was having Steven worked through getting my order processed and making sure I got my receipt and all issues resolved. Perfect!
Quality Caterpillar parts
Very fast delivery and respons from Propel Parts
This is my second time that I bought something from it, first time delivery time was in one week from US to Serbia
Product Questions
Frequently Asked Questions
What is the 3E4878 bearing used for?
The 3E4878 bearing provides a low-friction surface that lets a shaft or component rotate smoothly under load. It carries the load and helps maintain correct clearance.
How do I install the 3E4878 bearing?
Fitting the 3E4878 correctly comes down to clean surfaces and following the manual sequence. Work through these steps:
- Shut down and let the assembly cool, then follow safe service procedures
- Remove the old bearing and inspect the journal or housing
- Clean all surfaces and check clearances against the manual
- Fit the 3E4878 with the correct orientation and seating
- Lubricate as directed and confirm the assembly turns freely
Which Caterpillar machines is the 3E4878 compatible with?
The 3E4878 bearing is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. Check your manual or reach out to Propel Parts for help verifying fitment.
Does the 3E4878 bearing meet performance standards?
Yes. The 3E4878 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 3E4878 be replaced?
Service life for the 3E4878 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure.
What are the signs of a worn or failing 3E4878 bearing?
When the 3E4878 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Knocking, rumbling, or whining under load
- Excessive play or movement in the assembly
- Metal particles in the oil or on inspection
- Scored, pitted, or discolored bearing surfaces
Why is the 3E4878 important, and what related parts work with it?
Replacing the 3E4878 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. Related hardware on our site includes 1043560 Seal Liner and 8H9204 Washer.
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.