New 6V8398 Seal O Ring Replacement suitable for Caterpillar Equipment

$0.14
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Description for 6V8398 Seal O Ring

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This aftermarket Caterpillar 6V8398 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 6V8398 Seal O Ring

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Replacement Part Number(s): 6V-8398
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: 0.63 x 0.63 x 0.04 (inches)
Condition: New

Exact Fit Guarantee for 6V8398 Seal O Ring

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Looking for a reliable replacement Caterpillar 6V8398 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

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Great service affordable parts

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La mejor experiencia y calidad

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Great service affordable parts

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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

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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!

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When I had questions, they were answered quickly and kindly.

Thank you!!

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

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Great prices prompt courteous customer service and fast shipping.

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Great customer service!

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Amazing service, emails answered very quickly with simple straight forward answers. Haven’t received the parts yet but ordering them was quick and easy.

Product Questions

Frequently Asked Questions

What is the 6V8398 seal O-ring used for?

The 6V8398 seal O-ring is designed to provide a reliable seal within Caterpillar engine, fuel, or hydraulic system components. It helps prevent fluid leaks and maintains proper pressure within the system. A properly functioning 6V8398 seal O-ring supports efficient equipment performance while protecting internal components from contamination and fluid loss.

Which equipment is compatible with the 6V8398 seal O-ring?

The 6V8398 replacement is compatible with a range of Caterpillar engines and heavy equipment systems where reliable sealing is required. Fitment can vary based on machine model and serial number — contact Propel Parts and our team can help identify the correct 6V8398 fit for your application, or check your equipment manual to confirm before ordering.

What are the signs that a 6V8398 seal O-ring needs replacement?

A worn or damaged 6V8398 O-ring may lead to several equipment issues, including:

  1. Oil, fuel, or hydraulic fluid leaks
  2. Loss of system pressure
  3. Reduced equipment performance or efficiency
  4. Visible wear, cracking, or flattening of the seal

Replacing a damaged seal early can help prevent system contamination and avoid costly component damage.

Does the 6V8398 seal O-ring meet performance standards?

Absolutely. The 6V8398 replacement is built to meet OEM specifications, delivering reliable performance under demanding operating conditions. Not sure if this is the right fit for your machine? Contact Propel Parts and our team can help confirm the correct part.

How do you install the 6V8398 seal O-ring?

Proper installation helps ensure an effective seal. General installation steps include:

  1. Turn off the equipment and allow the system to cool.
  2. Carefully remove the component that contains the O-ring.
  3. Remove the worn or damaged seal.
  4. Clean the sealing groove and surrounding surfaces thoroughly.
  5. Install the new 6V8398 seal O-ring and ensure it sits correctly in the groove.
  6. Reassemble the component and tighten it according to manufacturer\'s specifications.

Always follow your equipment's service manual for detailed installation instructions.

How often should the 6V8398 seal O-ring be replaced?

Seal O-rings typically do not have a fixed replacement interval, but they should be inspected during routine maintenance, hydraulic servicing, or engine repairs. In heavy-duty environments with high pressure and temperature, replacing worn seals like the 6V8398 O-ring helps maintain proper system operation and reduce the risk of leaks.

Can I use a premium aftermarket 6V8398 seal O-ring replacement?

Absolutely. Premium aftermarket 6V8398 replacements built to meet or exceed OEM specifications are a practical, cost-effective choice for many equipment owners. Selecting parts that match OEM standards helps maintain proper performance, reliable sealing, and equipment longevity.

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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