New 2H3088 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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HOW WE GUARANTEE, EXACT FIT
Before shipping your order, we use CAT SIS to ensure
this part is the exact fit for your equipment.
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Purchase with confidence because this part includes a
1 year warranty and it's guaranteed to fit & perform.
Description for 2H3088 Seal O Ring
▶Specification for 2H3088 Seal O Ring
▶Exact Fit Guarantee for 2H3088 Seal O Ring
▶| Dimensions | 2.36x2.36x0.24 |
|---|
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Jason Pogue (Colorado, USA)100%Grateful I found this company!
I’m grateful I found this company! They answer the phone every time plus the parts are packaged very well!! Even the angriest mailman couldn’t damage your parts! lol The parts showed up as planned and for being aftermarket the quality seems to be good!! The warranty is the same as CAT. Thank you Daniel!!! -
Robert100%Helpful with making sure parts fit my machine
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Tony100%The gentleman was very helpful
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UECP OMAN (Sultanate of Oman)100%Excellent service and very very good service
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Jeet Buddhdev (India)100%Very prompt services !
Frequently Asked Questions
What is the Caterpillar 2H3088 seal O-ring used for?
The 2H3088 seal O-ring is designed to create a tight seal between connected components in Caterpillar equipment. It helps prevent the leakage of oil, fuel, or hydraulic fluids while keeping dirt and contaminants out of the system. A properly functioning O-ring supports stable system pressure and contributes to reliable machine operation.
Which Caterpillar equipment may use the 2H3088 seal O-ring?
Always cross-reference the 2H3088 part number against your equipment manual before purchasing, as configurations can differ across serial number ranges. Not sure? The Propel Parts team is happy to confirm the right fit for your machine.
What are the signs that a Caterpillar seal O-ring needs replacement?
A worn or failing 2H3088 seal O-ring can lead to sealing problems that affect equipment performance. Common signs include:
- Oil, fuel, or hydraulic fluid leaks around the sealed area
- Loss of pressure within the system
- Visible cracking, flattening, or deformation of the O-ring
- Contaminants entering the sealed component
Replacing a damaged O-ring promptly helps prevent further system damage and costly downtime.
Does the 2H3088 seal O-ring meet performance standards?
Yes — the 2H3088 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 2H3088 seal O-ring?
Correct installation helps maintain proper sealing performance. Typical installation steps include:
- Turn off the equipment and release system pressure
- Disassemble the component containing the O-ring
- Carefully remove the worn or damaged O-ring
- Clean the sealing groove and surrounding surfaces
- Install the new 2H3088 O-ring properly in the groove
- Reassemble the components and check for leaks
Always refer to the equipment service manual for the exact installation procedure.
How often should the 2H3088 seal O-ring be replaced?
Seal O-rings generally do not have a fixed replacement interval, but they should be inspected during routine maintenance or whenever a component is disassembled. If there are signs of wear, cracking, or leakage, replacing the 2H3088 seal O-ring can help maintain system pressure and prevent equipment failures.
Can I use a premium aftermarket 2H3088 seal O-ring replacement?
Yes — high-quality aftermarket 2H3088 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.

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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