New 1077787 Ring Top Replacement suitable for Caterpillar Equipment

$6.08
In Stock • Ships Today • Order By 3pm ET
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Details

Description for 1077787 Ring

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This aftermarket Caterpillar 1077787 Ring is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Ring.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 1077787 Ring

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Replacement Part Number(s): 107-7787
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 0.13 LBS | 0.06 KG
Dimensions: 6.10 x 6.10 x 0.39 (inches)
Condition: New

Exact Fit Guarantee for 1077787 Ring

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Looking for a reliable replacement Caterpillar 1077787 Ring ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
Reviews

Customer Reviews

★★★★★

Very prompt services !

★★★★★

Amazing Help.
I don't know who I spoke with, but they were helpful. We will be buying those parts shortly.

★★★★★

Will definitely use regularly!
Shipped the exact product we were looking for. Prompt Customer Service. Seamless cross-border shipping

★★★★★

This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.

★★★★★

When I had questions, they were answered quickly and kindly.

Thank you!!

★★★★★

Excellent Customer service

★★★★★

Excellent service and quick response!

★★★★★

Excellant customer service!
The prices are very good! The customer service is excellant! I had to contact them because our tax info wasn't right and they refunded it on the spot! Great job! we will be doing a lot more ordering from thi company. Highly recommended!

★★★★★

Fast response and very attentive! Thanks Deb.

★★★★★

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

Product Questions

Frequently Asked Questions

What is the 1077787 ring used for?

The 1077787 is a ring component that maintains a seal or secures a part in place, depending on its application in the assembly.

How do I install the 1077787 ring?

A reliable installation of the 1077787 starts with inspection and ends with verification. Follow this process:

  1. Shut down and depressurize or disassemble the area safely
  2. Remove the old ring and clean its groove or seat
  3. Inspect the groove and mating surfaces for wear
  4. Fit the 1077787 squarely without distorting or over-stretching it
  5. Reassemble and verify correct seating and operation

Which Caterpillar machines is the 1077787 compatible with?

Compatibility for the 1077787 ring varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. 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.

Does the 1077787 ring meet performance standards?

Yes. The 1077787 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.

How often should the 1077787 be replaced?

The 1077787 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear.

What are the signs of a worn or failing 1077787 ring?

Catching a failing 1077787 early prevents wider damage. The common warning signs include:

  • Leaks or loss of pressure
  • A worn, broken, or distorted ring on removal
  • Reduced performance in the assembly
  • Blow-by or contamination past the ring

Why is the 1077787 important, and what related parts work with it?

Keeping the 1077787 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. Related hardware on our site includes 1044817 Pin Chromed and 2090629 Seal Gp 2p.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?
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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