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 Price incl. 19% VAT Engineered for V6 GM engines, this Igniter Finger is designed to provide reliable performance for marine applications, compatible with Thunderbolt IV and V models and manufactured by Sierra from 1985 to 2009, with product number 18-5432.
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€ 16,42
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1-2 weeks delivery time Price incl. 19% VAT This ignition coil is designed for Mercruiser, Volvo Penta, and OMC engines, offering reliable performance with specific resistance and induction values, suitable for various engine types from 1963 to 1995, manufactured by Sierra under product number 18-5433.
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€ 68,47
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1-2 weeks delivery time Price incl. 19% VAT The ignition coil for Crusader engines features an internal resistor and is compatible with various Chrysler engines, providing reliable ignition performance and manufactured by Sierra under product number 18-5435.
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€ 90,25
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1-2 weeks delivery time Price incl. 19% VAT Designed for Volvo Penta engines, this ignition coil ensures high performance and reliability, with specific resistance and induction values, suitable for models from 1963 to 1993 and manufactured by Sierra with product number 18-5436.
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€ 89,77
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1-2 weeks delivery time Price incl. 19% VAT This ignition coil provides optimal ignition performance for OMC and Volvo Penta engines, featuring specific resistance and induction values, suitable for models from 1969 to 2005 and produced by Sierra under product number 18-5437.
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€ 62,67
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1-2 weeks delivery time Price incl. 19% VAT This ignition coil is designed for Mercruiser engines, providing reliable performance and optimal ignition efficiency, with specifications including a primary resistance of 1.1 Ohm and a secondary resistance of 8.2 Ohm, suitable for GM V6 and V8 engines from 1981 to 2009, manufactured by Sierra under product number 18-5438.
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€ 72,03
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1-2 weeks delivery time Price incl. 19% VAT Tailored for GM engine blocks, this HEI ignition coil ensures robust ignition performance with a primary resistance of 1.45 Ohm and a secondary resistance of 8.5 K Ohm, compatible with L4, V6, and V8 GM engines from 1983 to 2010, produced by Sierra with product number 18-5443.
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€ 129,15
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1-2 weeks delivery time Price incl. 19% VAT Designed for optimal performance in OMC and Volvo Penta engines, this high voltage coil resistor has an original reference number of 4106140 and is suitable for models from 1969 to 1989, manufactured by Sierra under product number 18-5450.
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€ 25
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1-2 weeks delivery time Price incl. 19% VAT This ignition coil offers excellent ignition reliability for a range of Mercruiser engines, compatible with models produced from 1998 to 2014, with multiple original reference numbers, manufactured by Sierra under product number 18-5465.
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€ 337,79
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1-2 weeks delivery time Price incl. 19% VAT Specifically designed for Mercruiser engines, this distributor features an aluminum housing and meets SAE J1171 standards, ensuring compatibility and high performance for 4-cylinder GM engines with Delco EST ignition, produced by Sierra under product number 18-5475.
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€ 815,40
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1-2 weeks delivery time Price incl. 19% VAT The complete ignition system engineered for Mercruiser engines provides all necessary components for optimal ignition performance, suited for models 233 Ford and 255 Ford from 1973 to 1977, manufactured by Sierra with product number 18-5489-2.
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€ 1.398,34
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1-2 weeks delivery time Price incl. 19% VAT This electronic ignition kit is designed for 4-cylinder Mercruiser engines, ensuring efficient ignition and reliable performance, including a Delco distributor, spark plug cables, ignition coil, and installation instructions, produced by Sierra under product number 18-5512.
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€ 854,15
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1-2 weeks delivery time Price incl. 19% VAT These trim relays are suitable for a wide range of Volvo Penta engines, ensuring reliable operation and performance across numerous models, manufactured by Sierra under product number 18-5704.
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€ 26,46
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1-2 weeks delivery time Price incl. 19% VAT These essential trim relays are designed for a variety of Volvo-Penta and OMC engines, ensuring optimal performance and reliability across numerous engine models, produced by Sierra under product number 18-5705.
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€ 17,38
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1-2 weeks delivery time Price incl. 19% VAT The Sierra 18-5707 marine rectifier is ideal for various Mercury motors, featuring a square, 3 post design to ensure smooth operation, and compatible with multiple original references.
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€ 69,31
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1-2 weeks delivery time Price incl. 19% VAT This rectifier-regulator ensures reliable performance for Johnson and Evinrude outboard motors, covering a wide range of models and manufactured by Sierra under product number 18-5708.
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€ 62,12
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1-2 weeks delivery time Price incl. 19% VAT Designed for optimal performance in Johnson and Evinrude outboard motors, this controller-rectifier is suitable for various models and produced by Sierra under product number 18-5709.
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€ 62,12
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1-2 weeks delivery time Price incl. 19% VAT The power trim relay is specifically designed for compatibility with Mercury and Mariner outboard motors, ensuring efficient operation and manufactured by Sierra under product number 18-5729.
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€ 34,14
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1-2 weeks delivery time Price incl. 19% VAT This regulator-rectifier is essential for maintaining stable voltage and current in various Mercury outboard motors, covering specific models and produced by Sierra under product number 18-5732.
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€ 142,77
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1-2 weeks delivery time Price incl. 19% VAT These trim relays enhance the performance and reliability of Mercury and Mariner outboard engines, designed for specific engine models and manufactured by Sierra under product number 18-5737.
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€ 72,40
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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.
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.