New 4J5140 Seal O Ring Replacement suitable for Caterpillar Equipment

$0.11
In Stock • Ships Today • Order By 3pm ET
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Description for 4J5140 Seal O Ring

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This aftermarket Caterpillar 4J5140 Seal O 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 Seal O 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 4J5140 Seal O Ring

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Replacement Part Number(s): 4J-5140
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: 0.01 LBS | 0.00 KG
Dimensions: 0.98 x 0.98 x 0.08 (inches)
Condition: New

Exact Fit Guarantee for 4J5140 Seal O Ring

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Looking for a reliable replacement Caterpillar 4J5140 Seal O 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

★★★★★

Great customer service answered email question quickly.

★★★★★

Very prompt services !

★★★★★

Science I buy parts from propel parts I don’t have to spend too much down time always on time and good service

★★★★★

The customer care response was very awesome. It was more than what I expected
The customer care response was very effective and timely
The response time was amazing
The availability of most of the parts that I wanted was also very awesome
Thanks keep it up

★★★★★

Original Review (Portuguese)
Muito bom atendimento
Ótima empresa

English Translation
Very good service.
Excellent company.

★★★★★

To my country the company is doing great
The products they market is good and
Affordable.
They can delivery to any country, stree free.
Tested and trusted.

★★★★★

I’ve been ordering parts from propel for about 3 years & counting. I live in Hawaii where we have a hard time getting parts especially for decent prices with fast shipping. I've been 100% satisfied with the company and the customer service and will continue to use them. I recommend propel to everyone here in Hawaii and we are all happy to have you guys. Thank you!!!

★★★★★

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.

★★★★★

Customer service was excellent today! I have never had a company go behind the scenes to see what was happening with my payment error and resolve it so I could complete my order without having to do it all over again. Hats off to Propel Parts!

★★★★★

rapid response!

Product Questions

Frequently Asked Questions

What is the Caterpillar 4J5140 seal O-ring used for?

The 4J5140 seal O-ring is designed to create a secure seal between Caterpillar equipment components, helping prevent fluid leaks and contamination in hydraulic and engine systems.

What are the benefits of using a high-quality O-ring seal?

  • Helps maintain proper fluid and pressure sealing
  • Reduces the risk of leakage and contamination
  • Supports reliable hydraulic and engine system performance

What are common signs that an O-ring should be replaced?

Signs include leakage, cracking, hardening, swelling, flattening, or reduced sealing performance during operation.

Why are O-rings important in heavy equipment systems?

O-rings help maintain system pressure, improve sealing efficiency, and protect sensitive components from dirt and fluid loss.

Is the 4J5140 O-ring compatible with multiple Caterpillar machines?

Compatibility depends on your machine model and system configuration. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

Are aftermarket replacement O-rings dependable?

Yes. Premium aftermarket O-rings that meet or exceed OEM specifications provide reliable sealing performance and durability in demanding operating environments.

Are similar sealing components available for related applications?

Yes, products such as the Caterpillar 0951578 seal O-ring are commonly used in related Caterpillar equipment systems requiring dependable leak protection.

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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