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 carburetor kit enhances performance in Volvo Penta and OMC engines from 1990 to 1994, specifically for GM 7.4L (330-390 CID) models, manufactured by Sierra under product number 18-7241.
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$ 248.18
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1-2 weeks delivery time This Holley 2-body carburetor kit provides an efficient solution for enhancing the performance of Volvo-Penta engines from 1991 to 1996, specifically for V8 models 190-230 CID, manufactured by Sierra under product number 18-7244.
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$ 162.19
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1-2 weeks delivery time This Holley 2-body carburetor kit is specifically designed for Volvo-Penta engines from 1983 to 2010, ensuring optimal performance for L4 135-150 CID models, manufactured by Sierra under product number 18-7246.
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$ 117.84
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1-2 weeks delivery time The carburetor kit for Johnson and Evinrude engines enhances compatibility and performance for models 80 to 175 produced between 1994 and 2006, manufactured by Sierra under product number 18-7247.
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$ 48.17
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1-2 weeks delivery time This reliable fuel pump is compatible with various Mercruiser engines from 1977 to 2013, ensuring efficient fuel management for 305 CID and 350 CID models, manufactured by Sierra under product number 18-7283.
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$ 222.43
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1-2 weeks delivery time Designed for various Volvo-Penta engines from 1975 to 1993, this fuel pump provides reliable performance for models 230A, AQ250, AQ251, and others, manufactured by Sierra under product number 18-7286.
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$ 203.02
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1-2 weeks delivery time This carburetor kit is specifically designed for Yamaha and Mercury engines from 1977 to 2006, ensuring excellent performance for models 2 to 3.3, manufactured by Sierra under product number 18-7293.
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$ 61.71
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1-2 weeks delivery time This electric fuel pump is suitable for various Volvo-Penta and Mercruiser engines from 1992 to 2010, providing efficient fuel delivery for multiple models, manufactured by Sierra under product number 18-7326.
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$ 663.68
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1-2 weeks delivery time Designed for Volvo-Penta and OMC engines from 1994 to 1998, this electric fuel pump ensures a reliable fuel supply for models 160 and 430, manufactured by Sierra under product number 18-7331.
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$ 443.44
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1-2 weeks delivery time Specifically designed for Yamaha engines, this fuel pump ensures a reliable fuel supply for various models from 1984 to 2006, compatible with multiple original references, produced by Sierra under product number 18-7334.
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$ 79.68
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1-2 weeks delivery time Engineered for Yamaha outboard engines, this fuel pump provides optimal performance for models ranging from 115 to 300 HP, manufactured by Sierra under product number 18-7349.
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$ 71.72
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1-2 weeks delivery time This fuel pump is compatible with Johnson and Evinrude outboard engines, ensuring reliable fuel delivery for models 6 to 15 from 1981 to 1998, produced by Sierra under product number 18-7350.
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$ 74.11
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1-2 weeks delivery time This fuel pump is specifically designed for a range of Johnson and Evinrude outboard engines from 1968 to 1998, providing dependable fuel delivery for models 20 to 140, produced by Sierra under product number 18-7352.
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$ 121.99
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1-2 weeks delivery time Designed for specific Johnson and Evinrude models, this fuel pump provides reliable performance from 1990 to 2005 for engines ranging from 18 to 35 HP, manufactured by Sierra under product number 18-7353.
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$ 154.02
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1-2 weeks delivery time The Fuel Pump Gasket Kit enhances the longevity and performance of Yamaha engines by ensuring a proper seal, compatible with models from 1984 to 2006, produced by Sierra under product number 18-7367.
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$ 30.11
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1-2 weeks delivery time This Fuel Pump Gasket Diaphragm Kit provides essential components to maintain Yamaha engine performance for models 4 and 5 from 1984 to 2002, manufactured by Sierra under product number 18-7368.
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$ 58.47
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1-2 weeks delivery time This crankshaft position sensor is designed for various Mercruiser engines, compatible with models ranging from 4.3L to 6.2L MPI, and replaces several original references, manufactured by Sierra under product number 18-7556.
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$ 304.72
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1-2 weeks delivery time The Temperature Sensor is essential for monitoring engine performance in various Mercruiser models, ensuring optimal functioning and longevity for engines such as 4.3L, 5.0L, and 7.4L, manufactured by Sierra under product number 18-7600.
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$ 47.80
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1-2 weeks delivery time The Rochester 4C Carburetor is designed for optimal performance in Mercruiser engines, providing efficient fuel delivery for models from 1985 to 1992, including 175/185 and 4.3L variants, produced by Sierra under product number 18-7604-1.
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$ 1,524.37
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1-2 weeks delivery time The Trim Sensor Kit is essential for maintaining the performance of Alpha and Bravo lower units, ensuring accurate trim readings for various models, produced by Sierra under product number 18-7633.
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$ 156.72
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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.