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 This rectifier regulator is designed for various Mercury outboard models, ensuring optimal performance and reliability, produced by Sierra under product number 18-5743.
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$ 254,98
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1-2 weeks delivery time This CDI unit is designed for Johnson and Evinrude outboard engines, ensuring reliable performance for models between 1977 and 1984 with a power range of 4-60hp, manufactured by Sierra under product number 18-5758.
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$ 166,56
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1-2 weeks delivery time Essential for maintaining performance, this CDI unit caters to Johnson and Evinrude outboard motors from 1978 to 1984, covering models with a power range of 85 to 140hp, produced by Sierra with product number 18-5759.
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$ 209,33
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1-2 weeks delivery time Enhancing efficiency, this high-quality CDI unit is suitable for various Johnson and Evinrude outboard models from 1980 to 1984, specifically for engines ranging from 65 to 235hp, manufactured by Sierra under product number 18-5760.
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$ 268,64
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1-2 weeks delivery time This power pack replaces outdated components, ensuring smooth and efficient operation for Johnson and Evinrude outboard motors, produced by Sierra under product number 18-5763.
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$ 190,64
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1-2 weeks delivery time Essential for enhancing performance, this power pack is designed for Johnson and Evinrude outboard motors, providing a reliable replacement for OMC 582261, manufactured by Sierra under product number 18-5764.
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$ 215,84
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1-2 weeks delivery time Designed to fit Evinrude and Johnson outboard engines, this ignition power pack ensures reliable operation for models with 30, 65, and 70hp from 1989 to 1992, produced by Sierra under product number 18-5766-1.
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$ 287,83
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1-2 weeks delivery time This reliable power pack is designed for Johnson and Evinrude outboard motors, replacing OMC 584783 for improved performance, manufactured by Sierra under product number 18-5767.
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$ 195,54
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1-2 weeks delivery time Specifically designed for Johnson and Evinrude outboard engines, this power pack delivers optimal performance for models from 1993 to 2005, covering a power range of 18 to 50hp, produced by Sierra under product number 18-5768.
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$ 244,35
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1-2 weeks delivery time Designed for Yanmar engines, this air filter ensures that your engine receives clean air for combustion, promoting better performance, manufactured by Sierra with product number 18-57704.
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$ 67,17
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1-2 weeks delivery time The Switch Box for Mercury engines is crucial for controlling engine functions effectively, ensuring reliable operation for various models from 1976 to 2010, produced by Sierra under product number 18-5775.
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$ 355,97
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1-2 weeks delivery time This CDI unit for Mercury engines plays a vital role in ignition timing, ensuring efficient performance and reliable starting for models from 1977 to 2006, manufactured by Sierra under product number 18-5777.
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$ 336,91
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1-2 weeks delivery time This CDI for Johnson and Evinrude engines ensures optimal ignition performance and reliability for 2-cylinder models from 1993 to 2005, manufactured by Sierra under product number 18-5785.
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$ 271,40
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1-2 weeks delivery time The Switch Box Power Pack is essential for the operation of Mercury Mariner and Chrysler Force marine outboard engines, designed to replace part number 18495A26 and produced by Sierra under product number 18-5790.
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$ 661,74
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1-2 weeks delivery time Designed for compatibility with multiple brands, this Switch Box ensures versatility in marine applications and is interchangeable with various part numbers, manufactured by Sierra under product number 18-5791.
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$ 651,85
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1-2 weeks delivery time This power pack is compatible with various engine models, providing reliable performance for marine applications and replacing multiple part numbers including 584489 and 584329, manufactured by Sierra under product number 18-5794-1.
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$ 331,84
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1-2 weeks delivery time The trigger assembly is specifically designed for use with Mercury 3-cylinder engines, ensuring compatibility and reliable performance, produced by Sierra with product number 18-5797.
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$ 355,56
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1-2 weeks delivery time This trigger assembly replaces original Mercury parts, ensuring compatibility and performance for Mercury/Mariner outboard motors, manufactured by Sierra under product number 18-5798.
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$ 375,27
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1-2 weeks delivery time These relays are essential for maintaining optimal performance in various engine models, compatible with brands like Evinrude and Johnson, and produced by Sierra under product number 18-5808.
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$ 52,28
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1-2 weeks delivery time Designed for use in Mercury and Mariner outboard applications, this horizontal post solenoid ensures optimal performance and reliability, replacing Mallory part number 9-15110, manufactured by Sierra under product number 18-5810.
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$ 59,87
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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.