New 2144525 Ring Replacement suitable for Caterpillar Equipment
- New Ring Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 2144525 Piston Pump Parts
â–¶Specification for 2144525 Piston Pump Parts
â–¶Exact Fit Guarantee for 2144525 Piston Pump Parts
â–¶| Dimensions | 1.18x1.18x0.08 |
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Great affordable option for aftermarket parts
Found Propel Parts while looking for parts to repair a D6C dozer that has been sitting for 20 years. Great parts, great prices, fast shipping and excellent customer service. -
Excellent Customer service
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Prompt service, Friendly people and hassle free
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I would give 5 stars but my first time ordering from here and using aftermarket parts. The price is reasonable comparing to original Cat parts and the customer support is great and hoping to do more business with them
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Propel parts is a very reliable parts source for heavy equipment
Quick response,good quality parts,favourable prices and always deliver on time
Frequently Asked Questions
What is the Caterpillar 2144525 / 5I8402 ring used for?
This ring component is used within specific Caterpillar equipment assemblies as a retaining, sealing, or spacing element. Depending on the assembly, it may function as a snap ring to retain components in their bore, a sealing ring to prevent fluid migration, or a spacer to control clearances between mating parts.
Are 2144525 and 5I8402 interchangeable?
These part numbers may reference the same component under two different identification schemes, or one may be a superseded number. Always confirm the active part number applicable to your specific machine serial number range. Reach out to Propel Parts if you need clarification on which number to order.
What tools do I need to install or remove this type of ring?
Snap rings typically require snap ring pliers (internal or external style depending on the ring type). Retaining rings used in hydraulic or sealing applications may need a hydraulic press and driver kit. Using the correct tool prevents ring deformation that compromises its function.
Can a damaged ring cause component failure?
Yes ??? a failed retaining ring can allow components to shift or disengage under load. A damaged sealing ring allows fluid leakage or contaminant ingress. Both scenarios can escalate quickly into more expensive repairs, so rings should be inspected and replaced whenever the assembly is disassembled.
What models is this ring compatible with?
Confirm compatibility with your machine's parts documentation before ordering. Please reach out to Propel Parts for help verifying fitment if the documentation is unavailable.
Are related sealing components available from Propel Parts?
Yes. If sealing rings or O-rings are needed alongside this ring component, browse our O-ring seals for heavy equipment for a full range of sizes and compound options that may be needed for the same assembly.
What warranty applies to this ring from Propel Parts?
All parts from Propel Parts carry a 1-year warranty covering material and manufacturing defects. Same-day weekday shipping and worldwide delivery to over 130 countries are standard.

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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