New 8C3089 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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Description for 8C3089 Seal O Ring
â–¶Specification for 8C3089 Seal O Ring
â–¶Exact Fit Guarantee for 8C3089 Seal O Ring
â–¶| Dimensions | 3.35x3.35x0.08 |
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Great prices prompt courteous customer service and fast shipping.
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Always helpful and great pricing
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Good service, quick response.
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Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!
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Quick Respond.
The quick respond much appreciated.
Keep this up.
Frequently Asked Questions
What does the Caterpillar 8C3089 seal O-ring do?
The 8C3089 seal O-ring helps create a leak-resistant seal between connected components in Caterpillar equipment systems. It is commonly used to prevent fluid leaks and contamination in hydraulic and engine applications.
What are common signs of a failing O-ring?
Common indicators include fluid leakage, cracking, flattening, hardening, or visible wear around the sealing area. Replacing worn O-rings early can help prevent costly equipment downtime.
Is the 8C3089 O-ring compatible with multiple Caterpillar machines?
Yes, the 8C3089 seal O-ring may fit a variety of Caterpillar equipment models depending on the system and application. Check your manual or reach out to Propel Parts for help verifying fitment.
Why is proper sealing important in heavy equipment?
- Proper sealing helps maintain system pressure, prevents contamination from entering sensitive components, and supports efficient equipment performance.
- It also helps reduce the risk of leaks, minimizing downtime and preventing potential damage to critical machine parts.
Can environmental conditions affect O-ring lifespan?
Yes. Extreme temperatures, pressure changes, fluid exposure, and heavy operating conditions can gradually wear down sealing materials over time.
Are aftermarket O-rings reliable for heavy equipment repairs?
Yes. High-quality aftermarket O-rings that meet or exceed OEM specifications can provide dependable sealing performance and long-lasting durability.
Are there related Caterpillar sealing components available?
Yes, parts such as the Caterpillar 6V5391 seal O-ring are commonly used in related hydraulic and engine sealing applications.

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.

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.

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.
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