Description
The Jabsco 5616-0001 Neoprene Impeller Kit is a complete raw water pump service kit designed for Jabsco flexible impeller pumps. This kit includes a durable neoprene impeller along with the required gasket and sealing components to restore proper cooling water circulation and maintain reliable engine performance.
The impeller is a critical component responsible for drawing water through the cooling system. Over time, the flexible vanes can wear, harden, or crack, reducing efficiency and increasing the risk of overheating. Replacing the impeller at regular intervals ensures consistent water flow and protects your engine from costly damage.
Built to Jabsco OEM standards, this kit delivers dependable performance in both freshwater and saltwater applications.
Key Features
- Complete flexible impeller service kit
- Neoprene impeller for standard marine applications
- Includes gasket and sealing components
- Maintains proper raw water flow and cooling efficiency
- Precision-molded for exact fit in Jabsco pumps
- Durable construction for long service life
Engine Compatibility
Jabsco Pump Applications
Fits Jabsco flexible impeller pumps commonly used on:
- Inboard gasoline and diesel engines
- Generator sets
- Marine HVAC and circulation systems
- Auxiliary marine engines
Common across:
- Crusader
- PCM
- Westerbeke
- Yanmar (select applications)
Serial Number Fitment Notice
Fitment depends on the exact pump model, not engine size.
Always confirm:
- Pump model number
- Impeller dimensions (diameter, width, shaft type)
- OEM part number match (5616-0001)
When This Part Needs Replacement
Replace the impeller if you notice:
- Reduced or no water flow
- Engine overheating
- Cracked or missing vanes
- Hard or brittle rubber
- After seasonal storage
Recommended service interval: every 100 hours or annually
Installation Notes
- Lubricate impeller before installation
- Install with correct vane rotation
- Replace gasket included in kit
- Inspect pump housing and wear plate
- Check for broken vane debris in cooling system
Alternate / Superseded Part Numbers
OEM Cross References
- Jabsco: 5616-0001
Aftermarket Cross References
- Johnson Pump: 09-824P-1 (verify fitment)
- Sierra Equivalent: 18-3088 (verify application)
Shipping
Shipping: Ships same or next day for fast Canada wide shipping.
Parts Desk Insight
A worn impeller can still move water at idle but struggle at higher RPM—when your engine needs cooling the most. Replacing it regularly is one of the easiest ways to avoid overheating and keep your boat running reliably
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