New 2N5243 Seal O Ring Replacement suitable for Caterpillar Equipment

$0.69
In Stock • Ships Today • Order By 3pm ET
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Description for 2N5243 Seal O Ring

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This aftermarket Caterpillar 2N5243 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 2N5243 Seal O Ring

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Replacement Part Number(s): 2N-5243
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: 0.02 LBS | 0.01 KG
Dimensions: 2.56 x 2.56 x 0.24 (inches)
Condition: New

Exact Fit Guarantee for 2N5243 Seal O Ring

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Looking for a reliable replacement Caterpillar 2N5243 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

★★★★★

Very thorough ! Confirmed order and great communications.

★★★★★

They were great to deal with

★★★★★

Great service affordable parts

★★★★★

Satisfied Customer.
I made my first purchase from Propel Parts last week. I was very happy with the response time and the delivery was fast, fast, fast! Also, the quality of the product is superb and at a great low price.
Keep up the great work!

★★★★★

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 put 2 of the same orders in due to a web page error and shortly after I was contacted by Deb from customer service asking if I meant to place both orders. She was very helpful, the email was very well written and it genuinely made me feel better about the whole experience. She resolved the issue quickly and with there not being much of customer service these days I was very happy so see that is not the case everywhere!!!

★★★★★

I own old cat bulldozers D8k,D8H,D8N that required frequent repairs and servicing. it was erratic and practically cumbersome to keep them running without constant supply of reliable
and affordable spares in Uganda a third world country however,since I started dealing with propel parts US,my bulldozers have earned reliability and efficiency in providing high quality services to clients and making me a great dependable construction company in earth moving.
My shipments are always handled expeditiously and delivered in record time to Uganda this is awesome from Propelparts.
My business is booming by the clock for finding the best partner in Propelparts.

★★★★★

Great customer service.
Prompt , knowledgeable and friendly service.

★★★★★

The best supplier ever we mainly deal with most rare needed parts .. i highly recommend .. they are very very honest

★★★★★

Excellent service and quick response!

Product Questions

Frequently Asked Questions

What is the Caterpillar Seal O-Ring 2N5243 and what does it do?

The 2N5243 O-ring seal is a precision-engineered circular sealing element made from durable elastomeric material. Browse our complete selection of O-ring seals for heavy equipment for the full range.

Which Caterpillar equipment models is the 2N5243 compatible with?

The 2N5243 O-ring is designed for use across a broad range of Caterpillar equipment. Always verify using your equipment's serial number and service manual before ordering.

How do I know when my O-ring needs replacing?

Common signs include:

  • Visible fluid leaks around fittings, ports, or connectors
  • Staining or residue buildup near sealing points
  • Pressure drops in hydraulic or fuel systems
  • Swelling, cracking, or flattening of the seal when inspected during service

How do I properly install the 2N5243 O-ring seal?

Always clean the groove and mating surfaces, lightly lubricate the O-ring, seat it evenly without twisting, avoid sharp tools, and tighten fittings to the specified torque. A twisted or pinched O-ring is the most common cause of premature seal failure.

Is the 2N5243 a high-quality aftermarket part?

Yes ??? this is a premium aftermarket O-ring seal that meets or exceeds OEM specifications. For related hydraulic system components, visit our hydraulic system parts category.

What materials are used in this O-ring?

The 2N5243 O-ring is manufactured using high-grade elastomeric compounds selected for compatibility with hydraulic fluid, fuel, and engine oil, often featuring a PTFE coating for extended operational life.

What is the warranty on the 2N5243 O-ring from Propel Parts?

All parts sourced through Propel Parts come backed by a 12-month warranty. Orders placed on weekdays by 3:00 PM ET ship the same day, and Propel Parts ships to over 90 countries worldwide.

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

Exact Fit Guarantee®

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