Caterpillar 5M-3038 Port O-Ring
This listing is for a genuine Caterpillar cooling pump port O-ring, sold by CLR Marine for Caterpillar cooling pump port sealing applications.
Match this part against the original component or your pump plate before ordering to confirm fitment.
Key Features
- Genuine Caterpillar part fit and finish
- Durable, temperature- and chemical-resistant sealing material
- Direct fit replacement — no modification required
Applications
- Caterpillar cooling pump port sealing applications
Specifications
- Two O-rings required per pump
Frequently Asked Questions
Q: Can this part be used on non-marine Caterpillar equipment?
Many Caterpillar parts are shared across marine, generator set, and industrial engine applications — check the Applications section above, and contact us if you need help confirming fitment for your specific equipment.
Q: Is this part sold individually?
Yes, this listing is for a single unit unless the title or specifications note otherwise.
Q: What should I check before ordering a replacement gasket, seal, or O-ring?
Compare the part number stamped on your original component, or send us a picture of the pump plate on your pump, and the CLR Marine team will confirm the correct part.
Q: Is this a genuine Caterpillar part?
Yes, this listing is for the genuine Caterpillar part number shown, not an aftermarket equivalent.
Not sure this is the right part? Send us a picture of the pump plate on your pump or engine and the CLR Marine team will confirm the correct part.