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 These starter relays are essential for the efficient operation of Yamaha outboard engines, compatible with models ranging from 40 to 90hp, produced by Sierra under product number 18-5879.
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$ 136,63
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1-2 weeks delivery time The CDI unit for Mercury and Force engines enhances performance and reliability in ignition systems, covering models from 40 to 125hp and produced by Sierra under product number 18-5881.
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$ 465,01
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1-2 weeks delivery time The oil pressure sensor for Volvo-Penta engines is essential for monitoring engine pressure, ensuring optimal performance for models including 4.3L and 8.2L, produced by Sierra under product number 18-5894.
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$ 56,16
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1-2 weeks delivery time This temperature sensor is designed for accurate readings in various Mercury outboard engines, ensuring reliability for models such as the V135 and V1500, manufactured by Sierra under product number 18-5896.
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$ 48,61
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1-2 weeks delivery time The temperature sensor for Mercruiser and Volvo-Penta models is crucial for monitoring engine temperature across a range of engines, produced by Sierra under product number 18-5897.
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$ 53,21
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1-2 weeks delivery time This temperature sensor ensures accurate readings for various Mercruiser engines, enhancing performance and safety for models including 4.3L and 7.4, manufactured by Sierra under product number 18-5898.
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$ 39,28
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1-2 weeks delivery time The oil pressure sensor for Mercruiser, Volvo-Penta, and OMC engines ensures reliable performance and compatibility with various engine models, including 2.5L to 8.2L, produced by Sierra under product number 18-5899.
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$ 55,45
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1-2 weeks delivery time This bronze freeze plug is essential for maintaining the internal engine system of Mercruiser stern drives and replaces Mercury Marine part number 19-34270, manufactured by Sierra under product number 18-5961-9.
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$ 84,25
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1-2 weeks delivery time The relay for Volvo Penta is compatible with various models, ensuring reliable electrical connections and features a voltage rating of 12 and an amp rating of 30, produced by Sierra under product number 18-6268.
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$ 44,62
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1-2 weeks delivery time The gimbal brace is designed for Alpha I Gen II and Bravo models, providing sturdy support for inboard engines and ensuring compatibility with Mercruiser and Volvo Penta, manufactured by Sierra under product number 18-6406.
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$ 233,88
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1-2 weeks delivery time This launcher spring is specifically designed for Johnson and Evinrude outboard engines, ensuring optimal performance and reliability, produced by Sierra under product number 18-6501.
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$ 27,76
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1-2 weeks delivery time The rewind spring fits specific Johnson and Evinrude models, providing essential functionality for outboard motors, and replaces OMC part number 318944 and Mercury part number 878898, produced by Sierra under product number 18-6503.
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$ 59,87
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1-2 weeks delivery time This rewind spring is compatible with various Johnson and Evinrude outboard motors, ensuring reliable operation and manufactured by Sierra under product number 18-6509.
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$ 35,50
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1-2 weeks delivery time The launcher spring for Johnson and Evinrude engines provides dependable performance and is designed for outboard engines, produced by Sierra under product number 18-6511.
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$ 39,28
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1-2 weeks delivery time The rewind spring for Johnson and Evinrude outboard motors is essential for maintaining performance, with cross-references including part numbers 323653 and 338534, produced by Sierra under product number 18-6522.
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$ 27,76
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1-2 weeks delivery time This Mercruiser trim motor and pump assembly is designed for optimal functionality in various models, compatible with engines ranging from 4.3L to 8.2L, manufactured by Sierra under product number 18-6747.
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$ 1.860,05
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1-2 weeks delivery time The power trim motor for Mercury and Mariner outboard motors ensures reliable performance for models between 35 and 220 HP from 1985 to 1992, produced by Sierra under product number 18-6757 and includes new o-rings and bolts.
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$ 612,84
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1-2 weeks delivery time This marine complete power trim pump assembly is designed for Prestolite high-pressure/low-flow systems, primarily used in models from 1982 and earlier, and requires a 20 amp fuse, produced by Sierra under product number 18-6768.
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$ 1.588,47
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1-2 weeks delivery time The oil tank for Mercruiser trim motors ensures optimal performance and reliability, compatible with models such as 377 and 500, manufactured by Sierra under product number 18-6771.
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$ 91,12
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1-2 weeks delivery time This trim motor is compatible with various Mercruiser and Mercury models, providing efficient functionality and covering a wide range of engine types, produced by Sierra under product number 18-6772.
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$ 374,31
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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.