New 6V3907 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 6V3907 Seal O Ring
â–¶Specification for 6V3907 Seal O Ring
â–¶Exact Fit Guarantee for 6V3907 Seal O Ring
â–¶| Dimensions | 7.09x7.09x0.04 |
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Above and Beyond
Staff took care of issue that was nit created by them. Package was lost by UPS. Propel sent me another part Next Day Air to correct it. -
Great place for Cat parts!
Had some shipping difficulties, but everything was made right. Parts were perfect and an excellent price. Thanks! -
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 -
Excellant customer service!
The prices are very good! The customer service is excellant! I had to contact them because our tax info wasn't right and they refunded it on the spot! Great job! we will be doing a lot more ordering from thi company. Highly recommended! -
Great service at an affordable price to get my machine back going.
Frequently Asked Questions
What is the 6V3907 O-ring seal used for?
The 6V3907 is an O-ring seal used in various connection points across Caterpillar hydraulic, fuel, and lubrication systems. Its primary role is to prevent fluid leakage and maintain pressure integrity in the sealed system.
How do I verify the 6V3907 fits my machine?
Cross-reference the part number with your machine's service documentation or use the part number search feature on the Propel Parts website. If you are unsure, reach out to Propel Parts for help verifying fitment ??? our team checks all fitment against CAT SIS before shipping.
Can O-ring leaks cause hydraulic cylinder failure?
Yes. A leaking O-ring in a hydraulic cylinder circuit can cause pressure loss that reduces lifting capacity, slows actuator response, and in severe cases leads to unexpected component movement that creates safety hazards. Replace failing O-rings immediately to maintain safe hydraulic function.
What is the standard lead time for this O-ring from Propel Parts?
Propel Parts ships same day for weekday orders placed before 3:00 PM ET. Expedited options are available for urgent situations. International delivery is supported to over 130 countries worldwide.
Are O-rings in stock or made to order?
Propel Parts maintains an inventory of high-demand CAT O-ring seals including the 6V3907. For a complete look at what is available, visit our seals and gaskets category where all available options are listed by part number.
Is this O-ring resistant to high operating temperatures?
The 6V3907 O-ring is manufactured from a compound selected for the temperature range of its intended application. For systems operating at elevated temperatures, confirm the O-ring material is appropriate for the expected operating conditions to avoid premature thermal degradation.
What warranty is included with the 6V3907?
A 1-year unlimited mileage warranty applies to this O-ring. All Propel Parts products are quality checked before shipping and come with a 30-day return policy for peace of mind.

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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