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New 0951584 Seal O Ring Replacement suitable for Caterpillar Equipment
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Description for 951584 Seal O Ring
â–¶Specification for 951584 Seal O Ring
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Customer Reviews
Been buying from them for years and have almost never had an issue. The few times I had a question or something to handle, they have shown amazing customer service. Great product and a great company.
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
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Excellent service and very very good service
perfect service
Awesome service prices and quality parts
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
Customer Service.
I recently had to cancel an order with Propel Parts, and I was thoroughly impressed by the prompt and efficient service I received. Steven handled my request with professionalism and speed, ensuring a hassle-free process. I've purchased parts from Propel Parts before and have never been disappointed. Their consistent reliability and excellent customer service keep me coming back.
Very helpful. Every question or request I had was answered quickly. I didn't have a parts book for my excavator but that was no problem for them. If you need parts for your Cat, give them a shot.
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Product Questions
Frequently Asked Questions
What is the Caterpillar O‑Ring Seal 0951584 used for?
The Caterpillar O‑Ring Seal 0951584 is a precision sealing component used to prevent fluid leaks in engines, hydraulic systems, and various other assemblies on Caterpillar equipment. It creates a tight, reliable barrier between mating surfaces, helping maintain proper oil, hydraulic fluid, or coolant pressure and protecting internal parts from contamination.
Which Caterpillar machines commonly use the 0951584 O‑Ring?
To ensure the 0951584 is the correct fit for your machine, cross-reference the part number with your equipment manual or parts catalog. If you have any doubts, the Propel Parts team is available to point you in the right direction.
What does an O‑Ring seal like 0951584 do?
An O‑Ring seal like the 0951584 forms a secure, flexible barrier that prevents leaks and blocks contaminants from entering fluid systems. It helps maintain fluid pressure, lubrication integrity, and efficient performance in engine, hydraulic, and cooling systems — which are vital for dependable equipment operation under heavy loads.
Is the 0951584 O‑Ring an OEM or aftermarket replacement part?
Aftermarket, but built to OEM standards — the 0951584 offers the same fit and performance as the original part. Contact Propel Parts if you need help verifying compatibility with your equipment.
How do I install the 0951584 O‑Ring correctly?
To install the 0951584 O‑Ring properly:
- Clean the sealing surfaces thoroughly to remove dirt, old sealant,
> and fluid residue.
- Inspect the O‑Ring for any damage before installation.
- Carefully seat the O‑Ring into its groove without stretching or
> twisting. Reassemble mating components and tighten fasteners according to the torque specifications in your equipment's service manual. Correct installation ensures a secure, leak‑resistant seal.
What are common signs that the 0951584 O‑Ring needs replacement?
Watch for these common indicators:
- Visible fluid leaks around housings or joints
- Loss of oil, hydraulic, or coolant pressure
- Contaminated fluid due to seal failure
- Unusual noise or overheating from fluid loss
Early inspection and timely replacement help protect internal components and prevent expensive repairs.
Why is using the correct O‑Ring seal important for Caterpillar equipment?
Every component in heavy equipment operates within specific tolerances. Using the correct 0951584 ensures those tolerances are maintained, protecting the system from leaks, wear, and unexpected failures.
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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.
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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.
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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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