Sierra Water Pump | 18-3586-1
No restocking fees on eligible returns
You have 30 days to request a return. All sale items are final sale.
Customer pays return postage. Return postage is reimbursed if we made a mistake.
Sierra Crankshaft-Mounted Raw-Water Pump
Sierra 18-3586-1: Crankshaft-mounted raw-water pump for the specified marine cooling system.
- Johnson Pump reference: 10-24228-1
- Volvo Penta references: 841640 and 857451
- Brand: Sierra
- Manufacturer part #: 18-3586-1
- Sold as: EA
Parts Desk Insight
For future pump service, Sierra lists impeller 18-3020 and repair kit 18-3081 for this pump; these are service references, not additional kit contents. Product reference. Match mounting and hose outlets. This flexible-impeller raw-water pump is different from an engine circulating pump.
Shipping information
In-stock and OEM parts: ship same or next business day.
Supplier-stock items are usually ready for pickup or shipping within 24 hours of ordering.
Special-order timing may vary.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.