Johnson Pump 09-1028BT-1 Impeller Kit
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The Johnson Pump 09-1028BT-1 Impeller Kit is a complete raw water pump service kit designed for Johnson F7 and F7B series pumps used in marine cooling systems. This kit includes a precision-molded impeller along with sealing components to restore proper water flow and ensure reliable engine cooling.
Constructed from durable MC97 marine-grade neoprene/EPDM material, this impeller is engineered for maximum flow efficiency and long service life. Replacing a worn impeller helps maintain consistent cooling performance and protects your engine from overheating and damage.
This impeller is widely used in marine engines, generators, and auxiliary water pump systems, making it a critical maintenance item.
Key Features
- Genuine Johnson Pump impeller kit
- MC97 marine-grade neoprene / EPDM construction
- 8-blade flexible impeller design
- Spline drive hub for secure fitment
- Designed for maximum water flow and durability
- Includes sealing components for full service
Engine Compatibility
Johnson Pump Applications
Fits Johnson raw water pumps including:
- F7B series pumps
- F7 pump assemblies
➡️ Commonly used across marine engines, generators, and auxiliary pump systems
Serial Number Fitment Notice
Fitment depends on:
- Pump model (F7 / F7B required)
- Shaft spline configuration
- Engine application
⚠️ Always confirm compatibility using your pump model or engine serial number before ordering.
Impeller Specifications
- Outer Diameter: 2.56" (65 mm)
- Width: 1.98" (50.2 mm)
- Shaft: 12-spline drive
- Blade Count: 8
- Material: MC97 neoprene / EPDM
What’s Included in the Kit
- Impeller
- O-ring / gasket
- Installation lubricant (varies by kit)
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
- Replace all included seals
- Inspect pump housing and wear surfaces
- Check for broken vane debris in cooling system
Alternate / Superseded Part Numbers
OEM Cross References
- Johnson Pump: 09-1028BT-1
- Replaces: 09-1028B
Cross References
- Jabsco: 17937-0001
- Sherwood: 18200
- Volvo Penta: 875593, 877061, 3841697, 21951356, 24139377
Shipping
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
💡 Parts Desk Insight
This is one of the most common Johnson F7 impellers and crosses to a lot of Volvo and Jabsco numbers. The key detail is the spline hub and dimensions—if those match, you’re good 👍
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
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.