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New 6J1889 Seal U Cup Replacement suitable for Caterpillar 611, 621E, 623E, 623F, 627E, 611, 621E, 623E, 627E, 631E, 633E II, 637E, 651E, 657E, 928G, 928HZ, 930H, 938G, 938G II, 938H, 950G, 950G II, 950H, 962G, 962G II, 962H, 966G II, 966H, 972G II, 972H,
- New Seal U Cup Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
Description for 6J1889 Seal U Cup
â–¶Specification for 6J1889 Seal U Cup
â–¶Exact Fit Guarantee for 6J1889 Seal U Cup
â–¶| Models | 611, 621E, 623E, 623F, 627E, 631E, 633E II, 637E, 651E, 657E, 928G, 928HZ, 930H, 938G, 938G II, 938H, 950G, 950G II, 950H, 962G, 962G II, 962H, 966G II, 966H, 972G II, 972H & more |
|---|---|
| Dimensions | 3.50x6.00x0.08 |
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They went above and beyond to make sure my order was right. Thanks again
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Rapid response! Excellent service!
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Great customer services, the best
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Very knowledgeable and quick to quote parts.
Very quick to respond to parts quotes. Knowledgeable and Polite, and very quick shipping. Definitely will purchase parts from these guys in the future. -
Great site and price
Frequently Asked Questions
What is this Caterpillar multi-model replacement seal used for?
This high-quality aftermarket replacement seal is designed to help maintain dependable sealing performance across multiple Caterpillar machine applications. It is manufactured to meet or exceed OEM specifications for durability and leak protection in demanding operating environments.
What are the benefits of this Caterpillar replacement seal?
- Helps prevent fluid leaks and pressure loss
- Supports dependable sealing performance
- Manufactured from durable sealing materials
- Designed to meet or exceed OEM specifications
- Helps reduce contamination risks in equipment systems
Is this seal compatible with multiple Caterpillar machines?
Yes, this replacement seal is designed for compatibility with a wide range of Caterpillar equipment depending on the system and assembly configuration. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.
Why is replacing worn seals important?
Replacing worn seals helps maintain pressure retention, reduce fluid leakage, and protect nearby components from contamination and premature wear.
Does this seal meet OEM standards?
Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, durability, and dependable sealing performance.
Can damaged seals affect equipment performance?
Yes. Damaged seals may contribute to leaks, reduced system efficiency, increased maintenance requirements, and unexpected downtime.
Are related Caterpillar sealing products available from Propel Parts?
Yes. Propel Parts offers a wide range of replacement seals and sealing products for Caterpillar equipment. You can also explore the Caterpillar Seal O-Ring 6D7146 for another related sealing option.
This 6J1889 Seal U Cup is compatible with the following models:
611, 621E, 623E, 623F, 627E, 631E, 633E II, 637E, 651E, 657E, 928G, 928HZ, 930H, 938G, 938G II, 938H, 950G, 950G II, 950H, 962G, 962G II, 962H, 966G II, 966H, 972G II, 972H & more...
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®
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.
1 YEAR UNLIMITED WARRANTY
ORDER BY 3PM EST. EXCL. WEEKEND
NO CORE OR EXCHANGE CHARGES
EASY RETURNS & FAST REFUNDS
