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New 6V8400 Seal O Ring Replacement suitable for Caterpillar Equipment
- New Seal O Ring Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Exact Fit Guarantee
This part is guaranteed to fit your machine.
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Description for 6V8400 Seal O Ring
▶Specification for 6V8400 Seal O Ring
▶Exact Fit Guarantee for 6V8400 Seal O Ring
▶| Dimensions | 1.33x1.33x0.07 |
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Always helpful and great pricing
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Great company with outstanding customer service. Always get answers to my questions and always get my order to me quickly!
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Awesome and diligent support. Would definitely recommend
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Propel Parts provided quality parts for my Caterpillar needs at a very fair price. Shipping to my international location was very fast. took about a week for the parts to get here. Seller is also responsive with my inquiry.
Thanks again -
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!!!
Frequently Asked Questions
What is the 6V8400 seal O-ring used for?
The 6V8400 seal O-ring is designed to create a secure seal within Caterpillar engine, hydraulic, or fuel system components. It helps prevent fluid leakage while maintaining proper system pressure. A properly functioning 6V8400 seal O-ring supports efficient equipment operation and helps protect internal components from contamination or fluid loss.
Which equipment is compatible with the 6V8400 seal O-ring?
The 6V8400 is used across various Caterpillar engines and heavy equipment applications that require dependable performance. Because compatibility can differ by model and serial number range, always cross-reference the 6V8400 part number in your equipment manual before purchasing. The Propel Parts team is happy to confirm the right fit if needed.
What are the signs that a 6V8400 seal O-ring needs replacement?
A worn or damaged 6V8400 O-ring may lead to several equipment issues, including:
- Oil, fuel, or hydraulic fluid leaks
- Loss of system pressure
- Reduced machine efficiency or performance
- Visible cracking, flattening, or wear on the seal
Replacing damaged seals early helps maintain system reliability and prevent further component damage.
Does the 6V8400 seal O-ring meet performance standards?
Yes — the 6V8400 replacement is engineered to OEM standards, so you can count on dependable performance in heavy-duty conditions. If you have questions about fitment or compatibility, the Propel Parts team is ready to assist.
How do you install the 6V8400 seal O-ring?
Proper installation helps maintain effective sealing performance. General installation steps include:
- Turn off the equipment and allow the system to cool.
- Carefully remove the component that houses the O-ring.
- Remove the worn or damaged seal from the groove.
- Clean the sealing surface and groove thoroughly.
- Install the new 6V8400 seal O-ring and ensure it is seated correctly.
- Reassemble the component and tighten it according to manufacturer specifications.
Always follow the equipment service manual for precise installation instructions.
How often should the 6V8400 seal O-ring be replaced?
Seal O-rings typically do not have a fixed replacement schedule. However, they should be inspected during routine maintenance, hydraulic system servicing, or component repairs. In heavy-duty operating conditions with high pressure and temperature, replacing worn seals such as the 6V8400 O-ring helps maintain proper system sealing and equipment reliability.
Can I use a premium aftermarket 6V8400 seal O-ring replacement?
Yes — high-quality aftermarket 6V8400 replacements are widely used and can deliver the same performance as original parts when manufactured to OEM specifications. A reliable replacement keeps the system protected and equipment running as expected.
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®
The right part — or we'll make it right.
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