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New 0951591 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 951591 Seal O Ring
▶Specification for 951591 Seal O Ring
▶Exact Fit Guarantee for 951591 Seal O Ring
▶| Dimensions | 1.18x1.18x0.08 |
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At the beginning, I experienced significant delays and communication issues regarding my order, which honestly caused serious concern because the parts were urgently needed for an important project.
However, after continuous follow-up, the Propel Parts team handled the matter professionally, provided shipment tracking, and the parts finally arrived successfully.
I especially appreciate their willingness to communicate, acknowledge the issue, and continue working toward resolving the situation.
In international business, delays can sometimes happen, but what matters is the final commitment to resolving the issue properly.
Thank you to Daniel and the team, and hopefully future transactions will be smoother for both sides. -
I put 2 of the same orders in due to a web page error and shortly after I was contacted by Deb from customer service asking if I meant to place both orders. She was very helpful, the email was very well written and it genuinely made me feel better about the whole experience. She resolved the issue quickly and with there not being much of customer service these days I was very happy so see that is not the case everywhere!!!
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Customer service was excellent today! I have never had a company go behind the scenes to see what was happening with my payment error and resolve it so I could complete my order without having to do it all over again. Hats off to Propel Parts!
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Rapid response! Excellent service!
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La mejor experiencia y calidad
Frequently Asked Questions
What is the 0951591 O-ring seal used for?
The 0951591 O-ring seal sits in a groove and is compressed between two surfaces to block fluid or air leakage. Its elasticity is what creates a tight, reliable seal.
How do I install the 0951591 O-ring seal?
Fitting the 0951591 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Depressurize the system and shut the machine down before service
- Remove the old O-ring and clean the groove thoroughly
- Inspect the groove and mating face for nicks or debris
- Lubricate the 0951591 as directed and seat it evenly in the groove
- Reassemble carefully so the O-ring isn’t pinched, then check for leaks
Which Caterpillar machines is the 0951591 compatible with?
The 0951591 O-ring seal is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. Or reach out to Propel Parts for help verifying fitment.
Does the 0951591 O-ring seal meet performance standards?
Yes. The 0951591 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 0951591 be replaced?
Service life for the 0951591 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure. This part is commonly replaced alongside the 4N7526 Seal, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 0951591 O-ring seal?
When the 0951591 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Leaks or weeping at the sealed connection
- A flattened, nicked, or hardened ring on removal
- Loss of pressure in the circuit
- Swelling or extrusion from the groove
Why is the 0951591 O-ring seal important, and what related part is commonly replaced with it?
Replacing the 0951591 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 2S8960 Gasket is commonly serviced together with this part, so it is worth replacing both while access is available.
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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