Caterpillar 3N4858 Pump Shaft
This listing is for a Caterpillar auxiliary sea water pump drive shaft, sold by CLR Marine for Caterpillar auxiliary raw-water pumps built around a Jabsco 18790-0001 pump body.
Compare it against your original part number or send us a picture of your pump plate to confirm you're ordering the correct component.
Key Features
- Genuine Caterpillar part fit and finish
- Marine-grade, corrosion-resistant shaft material
- Direct fit replacement — no modification required
Applications
- Caterpillar auxiliary raw-water pumps built around a Jabsco 18790-0001 pump body
Specifications
- Non-magnetic marine-grade shaft material
Frequently Asked Questions
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.
Q: How do I confirm this is the right part for my engine?
Send us a picture of the pump plate on your pump or the part you are replacing, and the CLR Marine team will confirm the correct part before you order.
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.