The water pump impeller is a crucial component in outboard motors, responsible for circulating water through the engine's cooling system to prevent overheating.
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1-2 weeks delivery time The EMP 46-46422 water pump kit is designed for high-power Suzuki four-stroke outboards, maintaining effective water circulation and dependable marine cooling performance.
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$ 73.25
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1-2 weeks delivery time The EMP 46-46501 water pump kit is compatible with Mercury two-stroke and four-stroke outboards, ensuring consistent engine cooling and reliable operation across multiple models.
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$ 132.69
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1-2 weeks delivery time The EMP 46-46615 water pump kit is built for Honda four-stroke outboards, providing components to maintain proper cooling system function and support reliable engine performance.
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$ 54
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1-2 weeks delivery time EMP 47-02173 is a water pump impeller for Yamaha and Mercury outboard engines, designed to provide efficient water circulation and reliable cooling for small two-stroke engines. It features a keyed hub, 6 blades, and dimensions of 14 mm inner diameter, 40 mm outer diameter, and 22 mm width.
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$ 43.65
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1-2 weeks delivery time EMP 47-07214K is a nitrile impeller kit with gaskets, O-ring, and plug, compatible with Johnson and Jabsco water pumps and Volvo Penta engines. It has a spline hub, 10 blades, and measures 14.29 mm inner diameter, 65 mm outer diameter, and 50.1 mm width.
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$ 61.72
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1-2 weeks delivery time EMP 47-09126 is a water pump impeller for Yamaha and Mercury outboards, designed for specific two-stroke models. It offers durable marine construction with references 47-11590M and 6G1-44352-00.
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$ 37.25
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1-2 weeks delivery time EMP 47-09213 is a keyed hub impeller for Suzuki four-cylinder and V6 outboards, suitable for both two-stroke and four-stroke engines. It has 6 blades, 24.4 mm inner diameter, 86 mm outer diameter, and 31.7 mm width.
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$ 84.25
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1-2 weeks delivery time EMP 47-09216 is a keyed hub impeller for Nissan and Tohatsu two-cylinder outboards, providing consistent cooling for multiple horsepower ratings. It has 6 blades, 17.2 mm inner diameter, 50.4 mm outer diameter, and 20.25 mm width.
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$ 47.83
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1-2 weeks delivery time EMP 47-09217 is a keyed hub impeller for Nissan and Tohatsu two-cylinder outboards, compatible with two-stroke and four-stroke engines. It has 8 blades, 13.97 mm inner diameter, 40.8 mm outer diameter, and 23.4 mm width.
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$ 46.29
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1-2 weeks delivery time EMP 47-09218 is a water pump impeller for Tohatsu and Nissan outboards, suitable for medium and high horsepower engines. It ensures effective cooling across a wide range of models.
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$ 77.93
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1-2 weeks delivery time EMP 47-09222 is a water pump impeller for Yanmar inboard engines, made from durable nitrile for resistance to fuel, oil, and grease. It is compatible with 1GM and 1GM10 engines.
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$ 46.29
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1-2 weeks delivery time EMP 47-47220 is a keyed hub impeller for Honda BF series two-cylinder outboards, providing reliable engine cooling. It has 6 blades, 16.2 mm inner diameter, 45.6 mm outer diameter, and 14.8 mm width.
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$ 30.85
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1-2 weeks delivery time EMP 47-47221 is a water pump impeller for high-horsepower Honda four-stroke outboards, ensuring durable and reliable cooling performance. It fits BF175 to BF250 models.
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$ 64.04
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1-2 weeks delivery time EMP 47-47270 is a keyed hub impeller for small Yamaha single-cylinder outboards, compatible with two-stroke and four-stroke engines. It has 6 blades, 10 mm inner diameter, 36 mm outer diameter, and 14.5 mm width.
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$ 32.62
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1-2 weeks delivery time EMP 47-47272 is a water pump impeller for Yamaha high-horsepower outboards, designed for F and VF series engines. It provides reliable water circulation for large four-stroke engines.
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$ 70.97
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1-2 weeks delivery time EMP 57-57004 is a timing belt for Yamaha four-stroke outboards, ensuring precise camshaft timing and marine-grade durability. It fits models from F25 to F70 and T50 to T60 Hp.
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$ 87.94
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1-2 weeks delivery time EMP 57-57005 is a timing belt compatible with Yamaha, Mercury, and Mariner four-stroke outboards, designed for accurate engine timing and reliable performance across a range of mid-horsepower models.
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$ 88.74
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1-2 weeks delivery time EMP 57-57503 is an exhaust manifold for GM-based V6 4.3L marine engines used in Volvo Penta and OMC applications, offering durable construction and efficient exhaust gas flow for reliable performance in demanding marine environments.
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$ 628.24
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1-2 weeks delivery time EMP 61-08396 is a transom seal kit for MerCruiser Bravo and Blackhawk sterndrives, providing complete marine-grade sealing to prevent water intrusion and protect the drivetrain.
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$ 586.36
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1-2 weeks delivery time EMP 75-00456 is a thermostat kit for Mercury and Mariner V6 outboards, ensuring proper engine temperature regulation and reliable cooling system operation across a wide horsepower range of 135–200 Hp.
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$ 41.89
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What is the function of an impeller in an outboard motor?
The impeller in an outboard motor is a flexible, rubber component housed within the water pump. Its primary function is to draw water from outside the boat and circulate it through the engine's cooling system, preventing overheating. Regular inspection and timely replacement of the impeller are crucial, as wear or damage can lead to engine failure. Utilizing appropriate tools, such as an impeller puller, can facilitate safe removal and installation during maintenance procedures.
For genuine replacement parts, see our range of Boat Impeller.
For models designed specifically for Evinrude engines, explore our selection of Evinrude Impeller options. We also offer a dedicated range of Mercury Impeller replacements for those maintaining Mercury outboard motors, ensuring optimal performance and compatibility.
What are the differences between a standart outboard impeller and a raw water pump impeller in outboard motors?
A standard outboard impeller is typically designed for general cooling system operation, ensuring a steady water flow through the pump housing and engine. A raw water pump impeller, on the other hand, is specifically built to handle unfiltered seawater, requiring a more flexible impeller material to resist wear and debris. Regular impeller service, including replacing the old impeller with a new one and applying lubricant to the shaft and seal, helps maintain optimal performance and prevent gear damage.
For those servicing their outboard motor, a proper Honda Impeller Replacement ensures efficient cooling and engine longevity.
What are the signs that indicate an outboard engine needs an impeller service?
Signs that an outboard engine needs an impeller service include reduced water flow from the telltale, overheating, or unusual noises from the water pump housing. If the engine temperature rises abnormally, it may indicate that the water pump impeller is worn or damaged, requiring removal and replacement with a new impeller from a repair kit. Routine inspection and proper installation following the brand’s instructions help maintain performance and prevent issues related to overheating and insufficient cooling.
For Tohatsu engines, a high-quality Tohatsu Impellers is essential for maintaining optimal water circulation and preventing engine damage. Regularly checking and replacing the Tohatsu impeller ensures efficient cooling, prolonging the life of your outboard motor and keeping it in peak condition for all your boating adventures.