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New 4F7391 Seal O Ring Replacement suitable for Caterpillar Equipment
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Description for 4F7391 Seal O Ring
â–¶Specification for 4F7391 Seal O Ring
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Customer Reviews
My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.
The customer care response was very awesome. It was more than what I expected
The customer care response was very effective and timely
The response time was amazing
The availability of most of the parts that I wanted was also very awesome
Thanks keep it up
Excellent service and quick response!
Fast response and answers all my questions in a polite manner. Highly recommend.
Excellent customer service and parts.
You guys have always gave excellent customer service!!! Very prompt responsiveness. Warranty services are superb. I have been using them for quite awhile now on equipment I have. Always great prices for parts! Keep up the great work guy's
Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended
Excelente atencion y refacciones de calidad
Great service affordable parts
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!!!
Australian buyer, sales where professional and very responsive with secure parts identification.
Highly recommend.
Bedrock Exploration Pty Lt, Australia
Customer Follow-Up After Delivery:
Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
With thanks again.
Regards, Gerard
Product Questions
Frequently Asked Questions
What is the Caterpillar 4F7391 / 5D1569 seal O-ring used for?
The Caterpillar 4F7391 / 5D1569 seal O-ring is a high-quality aftermarket sealing component designed to help prevent leaks and maintain reliable sealing performance in heavy equipment systems. It is manufactured to meet or exceed OEM specifications for durability and dependable operation.
What are the benefits of the 4F7391 / 5D1569 seal O-ring?
- Helps create secure leak-resistant seals
- Supports proper pressure and fluid retention
- Manufactured from durable sealing materials
- Designed to meet or exceed OEM specifications
- Helps protect systems from contamination and fluid loss
Is the 4F7391 / 5D1569 O-ring compatible with multiple Caterpillar applications?
Yes, this seal O-ring may fit various Caterpillar equipment models depending on the system configuration and application requirements. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.
Why is replacing worn O-rings important in heavy equipment?
Replacing worn O-rings helps prevent leaks, contamination, pressure loss, and unnecessary wear on nearby components, helping maintain reliable system operation.
Does the 4F7391 / 5D1569 seal O-ring meet OEM standards?
Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, sealing performance, and long-term durability.
Can damaged O-rings affect equipment performance?
Yes. Damaged or deteriorated O-rings may contribute to fluid leakage, reduced system pressure, contamination, and increased maintenance requirements.
Are related Caterpillar sealing components available from Propel Parts?
Yes. Propel Parts offers a wide range of replacement seals and O-rings for Caterpillar equipment. You can also explore the Caterpillar Equipment Seal O-Ring 8J4351 for another related sealing solution.
Shipping | Returns
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.
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