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

$5.67
In Stock • Ships Today • Order By 3pm ET
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Description for 1540750 Seal U Cup

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This aftermarket Caterpillar 1540750 Seal U Cup 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 Seal U Cup.
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 1540750 Seal U Cup

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Replacement Part Number(s): 154-0750
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: 0.06 LBS | 0.03 KG
Dimensions: 4.13 x 4.13 x 0.39 (inches)
Condition: New

Exact Fit Guarantee for 1540750 Seal U Cup

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Looking for a reliable replacement Caterpillar 1540750 Seal U Cup ? 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

★★★★★

Excelente servicio rapido, responsable y confiable

★★★★★

Great place for Cat parts!
Had some shipping difficulties, but everything was made right. Parts were perfect and an excellent price. Thanks!

★★★★☆

Everything fine, thank you. The only thing with which I had a problem in your Software, is that when I have more than 10 different items on the list, I can't scroll to the first ones. But besides that, I am very happy in going on with buying your parts.

★★★★★

Excellent service and very very good 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!

★★★★★

Original Review (Portuguese)
Muito bom atendimento
Ótima empresa

English Translation
Very good service.
Excellent company.

★★★★★

La mejor experiencia y calidad

★★★★★

Excellent service!! Yes, very satisfied with the service, you have been very kind!

★★★★★

Our CSR for Dymax Inc., Deb, has been extremely helpful and consistently provides quick, accurate information regarding parts and inventory. When we encounter difficulties finalizing transactions through the internal website, she is able to promptly generate quotes and provide an external, secure method for payment. Her responsiveness and willingness to assist play a key role in supporting our team’s success.

★★★★★

Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.

Product Questions

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.

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

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...

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

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