New 5M2997 Seal Replacement suitable for Caterpillar Equipment
- New Seal Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 5M2997 Seal Ring
â–¶Specification for 5M2997 Seal Ring
â–¶Exact Fit Guarantee for 5M2997 Seal Ring
â–¶| Dimensions | 3.23x3.23x0.24 |
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Great company to deal with. Answered my questions with detail and shipped me the part in good time! I will be dealing with them more in the future!
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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.
Frequently Asked Questions
What is the 5M2997 seal used for?
The 5M2997 seal keeps fluids contained and contaminants out where two surfaces meet or a shaft rotates. A sound seal maintains pressure, prevents leaks, and protects the components it isolates.
How do I install the 5M2997 seal?
To install the 5M2997 properly, prepare the area first and confirm the result afterward. Use these steps:
- Shut down and depressurize the system, then let it cool if needed
- Remove the old seal and clean the bore and shaft surfaces
- Inspect the sealing surface for scoring, pitting, or wear
- Lightly lubricate the 5M2997 as directed and fit it square to the bore
- Seat it to the correct depth without distorting the lip, then check for leaks
Which Caterpillar machines is the 5M2997 compatible with?
The 5M2997 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. Check your manual or reach out to Propel Parts for help verifying fitment.
Does the 5M2997 seal meet performance standards?
Yes. The 5M2997 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 5M2997 be replaced?
Service life for the 5M2997 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure. When servicing this area, the 2D1691 Seal O-Ring is commonly replaced at the same time.
What are the signs of a worn or failing 5M2997 seal?
A worn 5M2997 usually gives early warning through the assembly it supports. Watch for these signs:
- Visible fluid leaks or seepage at the joint
- Loss of system pressure
- Contamination found inside the assembly
- A hardened, cracked, or torn sealing surface
Why is the 5M2997 seal important, and what related part is commonly replaced with it?
A sound 5M2997 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. During an overhaul, the 5L4940 Gasket is frequently replaced alongside this part.

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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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