New 1540750 Seal-U-Cup Replacement suitable for Caterpillar 320B, 320B L, 320C, 322C, 324D, 324D L, 325C, 325C L, 3066, 3126, 3126B, C6.4, C7, and more
- New Seal-U-Cup Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 1540750 Seal U Cup
â–¶Specification for 1540750 Seal U Cup
â–¶Exact Fit Guarantee for 1540750 Seal U Cup
â–¶| Models | 3066, 3126, 3126B, 320B, 320B L, 320C, 322C, 324D, 324D L, 325C, 325C L, 4, C6, C6.4, C7 & more |
|---|---|
| Dimensions | 4.13x4.13x0.39 |
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Very nice job
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Great prices prompt courteous customer service and fast shipping.
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Awesome and diligent support. Would definitely recommend
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helpful and professional.
quick and professional service. -
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!
Frequently Asked Questions
What is the Caterpillar 1540750 U-cup seal used for?
The Caterpillar 1540750 U-cup seal is a high-quality aftermarket replacement designed to help maintain dependable sealing performance in hydraulic and heavy equipment systems. It is manufactured to meet or exceed OEM specifications for durability and reliable operation.
What are the benefits of the 1540750 U-cup seal?
- Helps support reliable hydraulic sealing
- Assists with pressure retention and leak prevention
- Manufactured from durable sealing materials
- Designed to meet or exceed OEM specifications
- Helps protect equipment systems from contamination
Is the 1540750 U-cup seal compatible with multiple Caterpillar machines?
Yes, this U-cup seal may fit various Caterpillar equipment and engine models depending on the hydraulic system configuration and application requirements. Check your manual or reach out to Propel Parts for help verifying fitment.
Why is replacing worn U-cup seals important?
Replacing worn U-cup seals helps maintain hydraulic pressure, reduce leakage, and support reliable system performance while minimizing unnecessary wear.
Does the 1540750 U-cup seal meet OEM quality standards?
Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, sealing performance, and long-term durability.
Can damaged U-cup seals affect equipment efficiency?
Yes. Damaged or deteriorated seals may contribute to hydraulic leaks, pressure loss, contamination, and increased maintenance costs.
Are related Caterpillar hydraulic sealing components available from Propel Parts?
Yes. Propel Parts offers a wide range of hydraulic seals and replacement sealing components for Caterpillar equipment. You can also check the Caterpillar Seal U-Cup 1672322 for another related sealing option.
This 1540750 Seal U Cup is compatible with the following models:
3066, 3126, 3126B, 320B, 320B L, 320C, 322C, 324D, 324D L, 325C, 325C L, 4, C6, C6.4, C7 & more...

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.

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.

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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