New 8J4351 Seal O Ring Replacement suitable for Caterpillar Equipment

$0.96
In Stock • Ships Today • Order By 3pm ET
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Description for 8J4351 Seal O Ring

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This aftermarket Caterpillar 8J4351 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 8J4351 Seal O Ring

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Replacement Part Number(s): 8J-4351
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: 1.97 x 1.97 x 0.08 (inches)
Condition: New

Exact Fit Guarantee for 8J4351 Seal O Ring

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Looking for a reliable replacement Caterpillar 8J4351 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

★★★★★

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

★★★★★

BEST for Heavy Equipment Parts.
Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you!

★★★★★

Original Review (Spanish)
Si necesitas piezas de repuesto a buen precio para tu m?quina grande y quieres un servicio al cliente atento, esta tienda es una muy buena opci?n.

English Translation
If you need affordable replacement parts for your heavy equipment and want attentive customer service, this store is a very good option.

★★★★★

Great service They respond back very fast always try…
They respond back very fast always try there best to get what I need
Very friendly
Prices are reasonable
If there is a problem they fix it
Been working with them 4 years and hopefully many more

★★★★★

Great customer services, the best

★★★★★

Grateful I found this company!
I’m grateful I found this company! They answer the phone every time plus the parts are packaged very well!! Even the angriest mailman couldn’t damage your parts! lol The parts showed up as planned and for being aftermarket the quality seems to be good!! The warranty is the same as CAT. Thank you Daniel!!!

★★★★★

100% excelente

★★★★★

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!

★★★★★

They were great to deal with

★★★★★

The gentleman was very helpful

Product Questions

Frequently Asked Questions

What is the Caterpillar 8J4351 seal O-ring used for?

The Caterpillar 8J4351 seal O-ring is a high-quality aftermarket sealing component designed to help maintain leak-free performance in heavy equipment systems. It is manufactured to meet or exceed OEM specifications for dependable sealing and durability in demanding applications.

What are the benefits of the 8J4351 seal O-ring?

  • Helps create reliable leak-resistant seals
  • Supports proper fluid and pressure retention
  • Manufactured from durable sealing materials
  • Designed to meet or exceed OEM specifications
  • Helps reduce contamination risks within equipment systems

Is the 8J4351 O-ring compatible with multiple Caterpillar machines?

Yes, this seal O-ring may fit various Caterpillar equipment models depending on the application and system configuration. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

Why is replacing worn O-rings important in heavy equipment?

Replacing worn O-rings helps prevent fluid leaks, pressure loss, contamination, and premature wear on nearby components, helping maintain reliable equipment performance.

Does the 8J4351 seal O-ring meet OEM standards?

Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, sealing performance, and long-lasting durability.

Can a damaged seal O-ring affect equipment efficiency?

Yes. A damaged or deteriorated O-ring can contribute to leaks, reduced operating pressure, increased maintenance needs, and unexpected downtime.

Are related Caterpillar sealing components available from Propel Parts?

Yes. Propel Parts offers a wide selection of replacement seals and O-rings for Caterpillar equipment. You can also check the Caterpillar Seal O-Ring 4J7533 for another related sealing solution.

Why are routine seal inspections important for heavy equipment maintenance?

Routine seal inspections help identify wear or damage before leaks develop, helping reduce costly repairs, protect surrounding components, and maintain overall system reliability.

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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