New 8C3080 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 8C3080 Seal O Ring
▶Specification for 8C3080 Seal O Ring
▶Exact Fit Guarantee for 8C3080 Seal O Ring
▶| Dimensions | 2.17x2.17x0.08 |
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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.
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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 8C3080 O-ring seal used for?
The 8C3080 O-ring seal sits in a groove and is compressed between two surfaces to block fluid or air leakage. Its elasticity is what creates a tight, reliable seal.
How do I install the 8C3080 O-ring seal?
Fitting the 8C3080 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Depressurize the system and shut the machine down before service
- Remove the old O-ring and clean the groove thoroughly
- Inspect the groove and mating face for nicks or debris
- Lubricate the 8C3080 as directed and seat it evenly in the groove
- Reassemble carefully so the O-ring isn’t pinched, then check for leaks
Which Caterpillar machines is the 8C3080 compatible with?
The 8C3080 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Check your manual or reach out to Propel Parts for help verifying fitment.
Does the 8C3080 O-ring seal meet performance standards?
Yes. Propel Parts supplies the 8C3080 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.
How often should the 8C3080 be replaced?
Replace the 8C3080 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide. This part is commonly replaced alongside the 9W6669 Seal G, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 8C3080 O-ring seal?
When the 8C3080 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Leaks or weeping at the sealed connection
- A flattened, nicked, or hardened ring on removal
- Loss of pressure in the circuit
- Swelling or extrusion from the groove
Why is the 8C3080 O-ring seal important, and what related part is commonly replaced with it?
Replacing the 8C3080 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 1136200 Gasket Exhaust is commonly serviced together with this part, so it is worth replacing both while access is available.

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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