Volvo Penta Impeller Kit 21951342
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Volvo Penta 21951342 is a genuine OEM impeller kit used in Volvo Penta raw-water cooling system service. Current parts sources consistently identify it as an impeller kit for older Volvo Penta diesel and gasoline marine applications, and current references show it as the replacement for earlier part number 3586496. Multiple current listings also support that this kit includes the impeller plus service items needed for routine pump service, including gasket(s) and impeller lubricant.
Key Features
- Genuine Volvo Penta OEM impeller kit, part number 21951342.
- Current references show this kit replaces 3586496.
- 6-blade impeller with slotted shaft pin drive.
- Includes gasket(s) and impeller lubricant for pump service.
Engine Compatibility
Current fitment references associate Volvo Penta 21951342 with a broad group of older Volvo Penta engines including 2001, 2002, 2003, 2001R, 2003R, D2003AG, MD1B, MD2B, MD3B, MD5A, MD5B, MD5C, MD6A, MD7A, MD7B, MD11C, MD11D, MD17C, MD17D, MB10A, and AQD2B. Another current catalog listing also groups it with MD1A/B, MD2A/B, MD5A/B/C, MD6, MD7, and MD11C/D applications with a 4-screw lid note. Because these model lists come from public distributor fitment references, the safest fitment standard is the exact Volvo Penta parts lookup for the seawater pump being serviced.
Serial Number Fitment Notice
Fitment can vary by engine family, pump version, and pump-cover style. Confirm Volvo Penta part number 21951342 against your engine serial number and the correct raw-water pump diagram before ordering, especially on older engines where pump revisions or cover changes may exist.
When This Part Needs Replacement
Replace this impeller kit during scheduled raw-water pump service, or when the existing impeller shows cracked vanes, hardening, missing blades, reduced cooling-water flow, or overheating symptoms. Replacing the gaskets and lubricant at the same time is the cleaner way to restore pump service properly.
Installation Notes
Match the kit to the exact pump and cover style before installation. Current public references support a slotted shaft pin drive impeller with a 6-blade design, so confirming those pump details before disassembly is a useful cross-check. Replacing the gasket(s) during service is recommended since the current kit content trail shows they are included for reassembly.
Alternate/Superseded Part Numbers
Current parts references show 3586496 as the earlier number replaced by 21951342. Use 21951342 as the current primary OEM ordering number for this listing.
Parts Desk Insight
On older Volvo Penta raw-water pumps, the easy mistake is matching the impeller by diameter alone. Checking the exact pump style, lid style, and drive type first usually saves more time than reopening the pump because the replacement looked close but was not quite right.
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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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.
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