New 0951622 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 951622 Seal O Ring
▶Specification for 951622 Seal O Ring
▶Exact Fit Guarantee for 951622 Seal O Ring
▶| Dimensions | 3.50x6.00x0.08 |
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Great customer service
I didnt order enough parts i called and they work with me to update my order so i didnt have to pay a double shipping fee saving me some money -
I was able to source my parts with propelparts in one click pay and have the shipment worked on under 60 minutes, with various options of couriers i received my shipments in less than 10days
The parts a durable and efficient -
The gentleman was very helpful
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Very knowledgeable and quick to quote parts.
Very quick to respond to parts quotes. Knowledgeable and Polite, and very quick shipping. Definitely will purchase parts from these guys in the future. -
I almost want to cry ;( writing this review because I dont want people to find out about them and rather keep them in my pocket but they deserve it…
This company is great with Quality Products at amazing prices! Sometimes, their website is not the most accurate but is user friendly and if you got questions they will call back and are very prompt in responding via a call or text to verify inventory before placing an order.
I really appreciate and look forward to continuing to work with you all especially Anthony — he is amazing & the best!!!
Frequently Asked Questions
What is the 0951622 O-ring seal used for?
The 0951622 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 0951622 O-ring seal?
Fitting the 0951622 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 0951622 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 0951622 compatible with?
The 0951622 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Check your manual or reach out to Propel Parts for help verifying fitment.
Does the 0951622 O-ring seal meet performance standards?
Yes. Propel Parts supplies the 0951622 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.
How often should the 0951622 be replaced?
Replace the 0951622 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide. This part is commonly replaced alongside the 1454946 Seal Kit, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 0951622 O-ring seal?
When the 0951622 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 0951622 O-ring seal important, and what related part is commonly replaced with it?
Replacing the 0951622 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 6F4868 Gasket is commonly serviced together with this part, so it is worth replacing both while access is available.

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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