Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft - 10-24946-01
Manufacturer Part #: 10-24946-01
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Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft – 10-24946-01
The Johnson Pump F6B-9 Impeller Pump (10-24946-01) is a high-speed crankshaft-mounted raw water pump designed to provide efficient engine cooling for marine engines. Built with durable marine-grade components, this flexible impeller pump delivers reliable water flow for both raw water and freshwater-cooled marine engine systems.
This pump mounts directly to the engine crankshaft pulley or harmonic balancer, providing dependable cooling water circulation without requiring an additional drive system. The flexible impeller design creates a strong vacuum that draws water into the pump and delivers consistent cooling flow even during dry starts or when mounted above the waterline.
Constructed with a bronze pump body, stainless steel shaft, and permanently lubricated bearings, the F6B-9 pump is engineered for durability and long service life in demanding marine environments. The high-speed configuration supports engine speeds up to approximately 5,000 RPM, ensuring adequate cooling performance for high-output engines.
This pump is widely used on Indmar, Marine Power, PCM (Pleasurecraft), and Volvo marine engines, making it a reliable OEM replacement for many inboard engine cooling systems.
Key Features & Benefits
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Crankshaft Mount: Specifically designed for easy installation onto the crankshaft pulley on a wide variety of small to mid-sized marine engines.
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Self-Priming Capability: Features a powerful mechanical design that allows it to self-prime quickly, ensuring cooling water starts flowing the moment the engine turns over.
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Durable Bronze Body: Constructed with a heavy-duty bronze body and a stainless steel shaft to resist the corrosive effects of both saltwater and freshwater environments.
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Standard F6B-9 Design: Uses the widely available F6 series impeller, making future maintenance and replacement parts easy to find worldwide.
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Long-Life Bearings: Built with double ball bearings that are permanently lubricated to ensure a quiet operation and a long service life.
What’s In The Box
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(1) Johnson Pump F6B-9 Crankshaft Pump
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(1) Pre-installed MC97 Impeller
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Mounting Gasket and Basic Hardware
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Installation Instructions
Propulsion & Performance
These components focus on engine positioning and water displacement to maximize your boat's top speed and handling.
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The T-H Marine ATLAS 8" Jack Plate features an 8-inch setback and a heavy-duty design rated for V8 engines up to 300hp. It offers 5.8 inches of vertical travel with a high-speed hydraulic actuator that lifts in under 8 seconds.
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The Turning Point Express Mach4 Propeller is a 13.5 x 15 pitch 4-blade stainless steel prop. It is designed for maximum hole shot and stern lift, utilizing a tuned exhaust venting system for faster acceleration.
Safety & Monitoring Systems
These devices monitor environmental hazards to protect your vessel and crew.
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The triggers an alarm at 20% of the Lower Explosive Limit (LEL). It includes a 12V solenoid valve for automatic gas shut-off and fits a standard 2-1/16" gauge cutout.
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The TALOS NMEA 2000 Lightning Detector provides a 25-mile detection range for cloud-to-ground and cloud-to-cloud strikes. It connects via a Micro-C N2K drop cable and features an IP67 waterproof rating.
Electrical & Mechanical Hardware
These items provide the necessary infrastructure for power delivery and engine maintenance.
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The is 25 feet long and uses 6/4 AWG marine-grade wire. It includes an LED power indicator and the Easy Lock™ system for secure, watertight connections.
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The Johnson Pump F6B-9 Cooling Pump is a crankshaft-mounted raw water pump with a heavy-duty bronze body. It is self-priming and uses a standard MC97 impeller for simplified maintenance.
Specifications
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Brand: Johnson Pump (SPX Flow)
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Model: F6B-9
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Part Number: 10-24946-01
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Pump Type: Flexible impeller raw water pump
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Mounting: Crankshaft pulley mounted
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Maximum RPM: Approx. 5,000
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Hose Connections: 1-1/4" (31.8 mm)
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Pump Body Material: Bronze
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Shaft Material: Stainless Steel
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Replacement Impeller: 09-812B-1
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Application: Marine engine cooling systems
Ensure efficient engine cooling and dependable marine performance with the Johnson Pump F6B-9 High-Speed Crankshaft Impeller Pump, a durable OEM replacement pump designed for demanding inboard marine engines.
Manufacturer : Johnson Pump
Manufacturer Part No : 10-24946-01
Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft - 10-24946-01 is backordered and will ship as soon as it is back in stock.
Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft - 10-24946-01
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