4C4782 O-Ring Seal Kit for CAT Equipment

$93.03
In Stock • Ships Today • Order By 3pm ET
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Description for 4C4782 Seal O Ring Kit

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This aftermarket Caterpillar 4C4782 Seal O Ring Kit 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 O Ring Kit.
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 4C4782 Seal O Ring Kit

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Replacement Part Number(s): 4C-4782, 270-1528, 2701528
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: 3.50 LBS | 1.59 KG
Dimensions: 15.35 x 11.81 x 2.56 (inches)
Condition: New

Exact Fit Guarantee for 4C4782 Seal O Ring Kit

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Looking for a reliable replacement Caterpillar 4C4782 Seal O Ring Kit ? 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

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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.

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Rapid response! Excellent service!

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Customer Service.
I recently had to cancel an order with Propel Parts, and I was thoroughly impressed by the prompt and efficient service I received. Steven handled my request with professionalism and speed, ensuring a hassle-free process. I've purchased parts from Propel Parts before and have never been disappointed. Their consistent reliability and excellent customer service keep me coming back.

★★★★★

Great customer service
Anthony was very professional and on top of what needed to be done to get my order verified and moving forward.

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Great customer service answered email question quickly.

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Prompt service, Friendly people and hassle free

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Buen servicio y atención

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Great people! Good and fast service. Always looking to help get what you need! 10/10 ????????

★★★★★

Have been buying parts from them for years, and they have always delivered, both with parts and customer service.

★★★★☆

Above and Beyond
Staff took care of issue that was nit created by them. Package was lost by UPS. Propel sent me another part Next Day Air to correct it.

Product Questions

Frequently Asked Questions

What is the 4C4782 O-Ring Seal Kit used for?

The 4C4782 O-Ring Seal Kit is designed to create a secure, leak-proof seal in various components of heavy equipment. It helps prevent fluid leakage in hydraulic and engine systems, ensuring optimal performance and long-term durability. Using a high-quality aftermarket kit that meets or exceeds OEM specifications ensures reliable sealing under demanding conditions.

Is the 4C4782 O-Ring Seal Kit compatible with my CAT equipment?

This seal kit is suitable for a range of CAT machinery, but compatibility may vary depending on the model and application.

  • Always cross-check the part number with your equipment manual
  • Match specifications like size and material

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.

What materials are used in this O-ring seal kit?

The kit typically includes O-rings made from high-performance rubber compounds designed to withstand:

  • Extreme temperatures
  • High pressure
  • Exposure to oils and hydraulic fluids

These materials ensure long-lasting sealing performance and meet OEM specifications for durability.

When should I replace the O-ring seals in my equipment?

You should consider replacing O-ring seals if you notice:

  • Fluid leaks around joints or fittings
  • Reduced system pressure
  • Cracked, brittle, or worn-out seals

Routine maintenance checks can help prevent unexpected breakdowns and costly repairs.

Can I install the 4C4782 O-Ring Seal Kit myself?

Yes, if you have basic mechanical knowledge, installation can be done independently. However, keep these tips in mind:

  • Clean the sealing surfaces thoroughly
  • Lubricate O-rings before installation
  • Avoid overstretching or twisting

For complex systems, professional installation is recommended to ensure proper fit and performance.

Are aftermarket O-ring seal kits reliable for heavy equipment?

Yes, premium aftermarket seal kits are highly reliable when they meet or exceed OEM specifications. They are engineered for durability and performance, making them a cost-effective alternative. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications.

Where can I find more sealing and gasket-related parts?

For a wider selection of sealing solutions, explore our seal kits and gasket components designed for various heavy equipment applications.

These products are essential for maintaining leak-free operation and improving equipment efficiency.

What other parts should I check when replacing an O-ring seal kit?

When replacing O-rings, it’s a good idea to inspect related components such as:

  • Hoses and fittings
  • Hydraulic connectors
  • Engine sealing surfaces

You can also browse our complete range of heavy equipment engine parts to ensure your machine stays in peak condition.

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.

Exact Fit Guarantee

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