New 6V3907 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
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
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 |
|---|
-
prompt clear replies
-
Good service, quick response.
-
My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.
-
Cat blade pins.
Easy transaction good web site. -
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 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.
Exact Fit Guarantee®
The right part — or we'll make it right.
Order Normally
Know your part number? Simply place your order.
Not Sure?
Place your order, then send us your serial number before it ships.
We'll verify fit.We Make It Right
Wrong part? We'll make it right.Fast. At our expense.
Worldwide Shipping





