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New 1H6227 Seal O Ring Replacement suitable for Caterpillar Equipment
- New Seal O Ring Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
4.7
(Site rating)Description for 1H6227 Seal O Ring
▶Specification for 1H6227 Seal O Ring
▶Exact Fit Guarantee for 1H6227 Seal O Ring
▶| Dimensions | 4.17x4.17x0.12 |
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GREAT CUSTOMER SERVICED
WANTED TO THANK PROPEL PARTS FOR THEIR ATTENTION TO AN URGENT MATTER I HAD. THEY RESPONDED QUICKLY & RESOLVED IT. I ALSO WANTED TO MENYTION THAT OUR CUSTOMER'S ARE VERY HAPPY WITH THE PARTS EWE HAVE BEEN ORDERING FROM PROPEL. WE WILL DEFINITLEY CONTINUE TO DO BUSINESS. -
Very thorough ! Confirmed order and great communications.
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Great customer service
Anthony was very professional and on top of what needed to be done to get my order verified and moving forward. -
Online order.
I had a good experience this morning I placed an online order and everything went smoothly. The staff at propel parts has always been helpful in the past when I have been looking for harder to find parts or something that wasn’t listed online. -
Very knowledgeable and quick to quote parts.
Very quick to respond to parts quotes. Knowledgeable and Polite, and very quick shipping. Definitely will purchase parts from these guys in the future.
Frequently Asked Questions
What is the Caterpillar 1H6227 / 4H3839 Seal O-Ring used for?
The 1H6227 / 4H3839 Seal O-Ring is a sealing component designed to prevent fluid or air leaks in Caterpillar equipment systems. It forms a tight seal between mating parts so hydraulic fluids, engine oil, or other liquids remain contained within the system. By maintaining proper pressure and preventing contamination, this small component helps keep heavy machinery running smoothly and efficiently.
Is this O-Ring compatible with Caterpillar equipment?
Yes. This replacement O-Ring is engineered specifically for Caterpillar machines that use part numbers 1H6227 or 4H3839.
Machine configurations and serial number ranges can affect whether the 1H6227 is the right fit. Check your equipment manual to confirm, or contact Propel Parts and our team will help identify the correct part for your application.
- The part is checked using Caterpillar’s Service Information System (CAT SIS) before shipping.
- It is designed as a direct replacement for the original Caterpillar seal.
- This verification process helps ensure you receive the correct part for your equipment.
Is this an OEM Caterpillar part or an aftermarket replacement?
This Seal O-Ring is an aftermarket replacement part manufactured to meet U.S. OEM specifications.
Key points include:
- Built to match the fit and function of the original Caterpillar part
- Manufactured with strict quality control checks
- Designed for durability and reliable performance in heavy equipment
This allows equipment owners to maintain performance while keeping maintenance costs manageable.
What are the main features of this Seal O-Ring?
Yes. The 1H6227 meets OEM specifications and is built to handle the demanding conditions that Caterpillar equipment operates in. If compatibility is a concern, the Propel Parts team can help verify the correct fit for your machine.
- Exact Fit Guarantee® — verified fit before shipping
- 1-Year Warranty against manufacturing defects
- Same-day shipping when ordered before the cutoff time
- No core charge required for purchase
What material is typically used for this type of O-Ring?
O-Rings used in heavy equipment applications are commonly made from nitrile rubber (NBR) because it offers:
- Strong resistance to oils and hydraulic fluids
- Good durability in demanding operating environments
- Reliable sealing performance under pressure
This material makes the seal suitable for applications involving engine oil, diesel fuel, coolant, and hydraulic systems.
How can I tell if my O-Ring needs replacement?
O-Rings wear out over time due to heat, pressure, and fluid exposure. You may need to replace the seal if you notice:
- Hydraulic or oil leaks around fittings or components
- Reduced system pressure or performance
- Visible cracks, hardening, or flattening during inspection
Replacing worn seals during routine maintenance helps prevent larger equipment failures.
What are the approximate dimensions of the 1H6227 Seal O-Ring?
Check the product page or your equipment manual for exact 1H6227 dimensions. If you're unsure whether the sizing matches your application, contact Propel Parts for confirmation before ordering.
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.
1 YEAR UNLIMITED WARRANTY
ORDER BY 3PM EST. EXCL. WEEKEND
NO CORE OR EXCHANGE CHARGES
EASY RETURNS & FAST REFUNDS
