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New 8L2779 Seal O Ring Replacement suitable for Caterpillar Equipment
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Description for 8L2779 Seal O Ring
â–¶Specification for 8L2779 Seal O Ring
â–¶Exact Fit Guarantee for 8L2779 Seal O Ring
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Customer Reviews
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.
Australian buyer, sales where professional and very responsive with secure parts identification.
Highly recommend.
Bedrock Exploration Pty Lt, Australia
Customer Follow-Up After Delivery:
Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
With thanks again.
Regards, Gerard
Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.
Fast communication, and very Helpful!
Cat blade pins.
Easy transaction good web site.
Rapid response! Excellent service!
He was a great help with ordering and refunding the sales tax,
Excellent customer service and parts.
You guys have always gave excellent customer service!!! Very prompt responsiveness. Warranty services are superb. I have been using them for quite awhile now on equipment I have. Always great prices for parts! Keep up the great work guy's
I own old cat bulldozers D8k,D8H,D8N that required frequent repairs and servicing. it was erratic and practically cumbersome to keep them running without constant supply of reliable
and affordable spares in Uganda a third world country however,since I started dealing with propel parts US,my bulldozers have earned reliability and efficiency in providing high quality services to clients and making me a great dependable construction company in earth moving.
My shipments are always handled expeditiously and delivered in record time to Uganda this is awesome from Propelparts.
My business is booming by the clock for finding the best partner in Propelparts.
Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
Product Questions
Frequently Asked Questions
What is the Caterpillar 8L2779 / 6L9882 seal O-ring used for?​
The Caterpillar 8L2779 / 6L9882 seal O-ring is a high-quality aftermarket sealing component designed to help prevent leaks in heavy equipment hydraulic, fluid, and engine systems. It is manufactured to meet or exceed OEM specifications for dependable sealing performance.
What are the benefits of using the 8L2779 / 6L9882 seal O-ring?​
A2.
- Helps prevent fluid and pressure leaks
- Designed for reliable sealing performance in demanding conditions
- Built from durable materials for extended service life
- Supports proper system efficiency and component protection
- Manufactured to meet or exceed OEM specifications
Is the 8L2779 / 6L9882 O-ring compatible with different Caterpillar equipment models?​
Yes, this seal O-ring may fit multiple Caterpillar machines and assemblies depending on the application. Check your manual or reach out to Propel Parts for help verifying fitment.
What can happen if an O-ring becomes worn or damaged?​
A damaged O-ring can lead to fluid leaks, contamination, pressure loss, and reduced system efficiency, which may contribute to premature component wear.
Does this O-ring meet OEM performance requirements?​
Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, sealing capability, and durability.
Are related sealing components available from Propel Parts?​
Yes. Propel Parts carries a variety of seals and sealing components for Caterpillar equipment. You can also check the Caterpillar Equipment Seal Link 7K9208 / 5P0071 for another related sealing solution.
Why is replacing worn seals important in heavy equipment maintenance?​
Replacing worn seals helps maintain proper pressure, prevents leaks, protects nearby components, and supports reliable equipment operation with reduced downtime.
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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