Description
The Johnson Pump 09-801B Impeller is a high-quality replacement raw water pump impeller designed to maintain proper cooling system performance in marine engines equipped with compatible Johnson pump assemblies. This impeller ensures consistent water circulation through the engine, helping regulate temperature and prevent overheating.
Constructed from durable marine-grade neoprene rubber and featuring a precision-machined brass hub, this impeller delivers reliable flexibility, long service life, and dependable performance in both freshwater and saltwater environments.
Replacing a worn impeller restores cooling efficiency and helps protect critical engine components from heat-related damage.
Key Features
- Genuine Johnson Pump replacement impeller
- Marine-grade neoprene rubber construction
- Brass hub for secure fitment
- Flexible multi-blade design for efficient water flow
- OEM-equivalent fit and performance
- Designed for marine cooling systems
Engine Compatibility
Johnson Pump Applications
Fits Johnson raw water pumps using:
- Johnson 09-801B impeller
Commonly used across a variety of marine engines with compatible pump configurations.
Serial Number Fitment Notice
Fitment depends on:
- Pump model
- Shaft configuration (keyed or splined)
- Engine application
Always confirm compatibility using your pump model or engine serial number before ordering.
Impeller Specifications
- Johnson Part: 09-801B
- Flexible multi-blade impeller
- Brass hub
- Marine-grade neoprene construction
What’s Included
- Impeller only
When This Part Needs Replacement
Replace the impeller if you notice:
- Reduced or no cooling water flow
- Engine overheating
- Cracked, missing, or stiff vanes
- Reduced performance under load
Recommended service interval: every 100 hours or annually
Installation Notes
- Lubricate impeller before installation
- Install with correct vane direction
- Inspect pump housing and wear plate
- Replace seals if worn
- Check system for broken vane debris
Alternate / Superseded Part Numbers
OEM Cross References
- Johnson Pump: 09-801B
Aftermarket Cross References
- Jabsco: 1210-0001 (application dependent)
- Sierra: 18-3067 (verify fitment)
Shipping
Shipping: Ships same or next day for fast Canada wide shipping.
Parts Desk Insight
Johnson 09-801B is one of the smaller impellers in the 09-series. It’s easy to confuse with 09-801B-1 or 09-806B—always match the exact part number and hub style to avoid fitment issues
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