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 Specifically designed for V8 engines, this ignition kit ensures smooth operation and longevity for models 5.0L, 5.7L, and 6.2L MPI/GXi produced from 2000 to 2015, with original references including 898253T29, and is branded by Sierra with product number 18-5247.
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$ 155.26
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1-2 weeks delivery time Ensuring reliable performance for L4 and L6 engines, this ignition kit enhances ignition efficiency for GM L4 and L6 models from 1963 to 1989, with original references including 34235Q1, and is branded by Sierra with product number 18-5250.
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$ 29.43
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1-2 weeks delivery time This ignition kit is designed for V8 engines, ensuring optimal ignition timing and performance for models produced between 1971 and 1981, with original references 173690, and is branded by Sierra with product number 18-5258.
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$ 46.31
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1-2 weeks delivery time Providing reliable performance for L4 inboard engines, this ignition kit ensures efficient ignition for models from 1963 to 1989, and is branded by Sierra with product number 18-5268.
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$ 81.10
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1-2 weeks delivery time Designed for V8 engines equipped with Thunderbolt IV & V ignition systems, this ignition kit ensures optimal performance for models produced between 1987 and 2013, with original references 805759Q3, and is branded by Sierra with product number 18-5273.
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$ 61.21
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1-2 weeks delivery time This ignition kit is designed specifically for Mercruiser V6 engines, ensuring optimal performance and reliability for models from 1985 to 2009, with original reference Thunderbolt HEI, and is branded by Sierra with product number 18-5274.
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$ 68.67
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1-2 weeks delivery time Tailored for Mercruiser and OMC V8 engines, this ignition kit provides essential components for effective ignition for models 5.7L and 350 produced between 1973 and 1995, and is branded by Sierra with product number 18-5275.
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$ 108.64
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1-2 weeks delivery time Engineered for Mercruiser and OMC V6 engines, this ignition kit ensures reliable ignition performance for models from 1994 to 1998, with original references 850484T1, and is branded by Sierra with product number 18-5278.
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$ 80.72
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1-2 weeks delivery time Designed specifically for L4 Mercruiser and OMC engines, this ignition kit provides essential components for effective operation for models produced between 1990 and 1998, with original references 811635Q1, and is branded by Sierra with product number 18-5280.
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$ 36.23
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1-2 weeks delivery time Tailored for V8 Mercruiser and OMC engines, this ignition kit ensures optimal ignition efficiency for models from 1993 to 2005, with original reference 808483Q2, and is branded by Sierra with product number 18-5281.
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$ 97.07
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1-2 weeks delivery time Designed for various Mercruiser models, this electronic ignition conversion kit enhances ignition reliability for models produced between 1970 and 1995, and is branded by Sierra with product number 18-5296-2.
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$ 433.75
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1-2 weeks delivery time High-quality platinum-plated screws designed for durability and performance in various Ford and GM engine models, these screws are compatible with several reference numbers and are suitable for inboard engines from 1971 to 2012, specifically those with Prestolite ignition.
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$ 20.21
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1-2 weeks delivery time Durable platinum-plated screws are specifically designed for GM 4 and 6-cylinder engine blocks, suitable for inboard engines from 1963 to 1990, with various reference numbers and manufactured by Sierra.
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$ 15.34
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1-2 weeks delivery time Designed for Mercruiser, OMC, and Volvo-Penta engines, this high-quality capacitor enhances ignition reliability and is suitable for a wide range of models from 1963 to 2012, with multiple reference numbers and manufactured by Sierra.
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$ 10.01
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1-2 weeks delivery time A reliable capacitor specifically designed for Volvo-Penta engines, it enhances ignition reliability and performance, compatible with models from 1975 to 1993, with the original reference number 841262 and manufactured by Sierra.
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$ 66.66
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1-2 weeks delivery time The Igniter Head for Ford and GM V8 engines is a high-quality component designed to ensure reliable performance, compatible with a range of original reference numbers and suitable for models manufactured between 1973 and 2005 by Mercruiser, OMC, and Volvo Penta.
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$ 47.08
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1-2 weeks delivery time This integrated module igniter head is specifically tailored for V8 GM EFI/MPI engines, designed for optimal performance from 1993 to 2009, and manufactured by Mercruiser, OMC, and Volvo Penta.
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$ 60.08
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1-2 weeks delivery time Featuring an integrated module for enhanced performance, the Igniter Head for L4 GM engines is suitable for models from 1990 to 2010, ensuring reliability and efficiency in ignition, produced by Mercruiser, OMC, and Volvo Penta.
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$ 25.72
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1-2 weeks delivery time This V6 GM Igniter Head comes equipped with an integrated module to ensure optimal engine performance, designed for 4.3L GM EFI engines from 1989 to 2010, and is manufactured by Mercruiser, OMC, and Volvo Penta.
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$ 37.68
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1-2 weeks delivery time The Mallory Igniter Head for V8 Ford and GM engines provides reliable ignition performance, compatible with various reference numbers and suited for models produced between 1970 and 1995, manufactured by Mercruiser and OMC.
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$ 55.69
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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.