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 Marine Bell Housing Bushing Kit is suitable for Gen II models and provides crucial components for maintenance. It is compatible with models s/n 0F680000 and up and contains two oil seals, branded by Sierra with the product number 18-3760.
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$ 29,66
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1-2 weeks delivery time The Yamaha Propeller Nut Kit is designed for specific Yamaha outboard models, ensuring a perfect fit and reliable performance. It has an original part reference of 6H1-W4599-00-00 and is compatible with models such as F50 and T50. Manufactured by Yamaha and branded by Sierra, it carries the product number 18-3781.
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$ 66,54
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1-2 weeks delivery time This Prop Nut is an ideal replacement for various Mercruiser Stern Drives, providing durability and efficiency. It replaces Mercury Marine reference 11-82671127 and is compatible with models like Bravo II. Branded by Sierra, the product number is 18-3785.
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$ 20,37
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1-2 weeks delivery time These bleed screws are essential for maintaining the cooling system in various Mercruiser, OMC, and Volvo Penta engines. They have original references such as 22-16951A1 and are compatible with engines from 3.0L to 7.4L, covering years from 1910 to 2014. Branded by Sierra, the product number is 18-4218.
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$ 18,73
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1-2 weeks delivery time Designed specifically for Mercruiser engines, these bleed screws ensure reliable performance and compatibility. They replace original references like 22-806926A1 and are suitable for models MCM/MIE V6-V8 from 1987 to 2012. Branded by Sierra, the product number is 18-4224.
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$ 15,54
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1-2 weeks delivery time The drain screw cap is crucial for maintaining the integrity of the engine's drainage system. It has original references such as 22-806608A02 and is compatible with models from 3.0L to 8.2L, covering years from 1987 to 2014. Manufactured by Mercruiser and branded by Sierra, it carries the product number 18-4226.
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$ 5,99
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1-2 weeks delivery time This drain elbow is designed to replace the original part and ensure proper drainage in Mercruiser stern drives. It replaces Mercury Marine reference 22-806926 and is compatible with various Mercury Marine models. Branded by Sierra, the product number is 18-4227.
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$ 13,22
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1-2 weeks delivery time The Sierra Propeller Thrust Washer is a high-quality engine part designed to meet OEM specifications, fitting Mercury 40-60 Standard Gearcase. It is intended for use with rubber props only and should not be used with Flo-Torq reflex propellers. This washer is interchangeable with various references, including Chrysler/Force/US Marine 73345A1. The product number is 18-4233.
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$ 47,90
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1-2 weeks delivery time The Steel Plug with a diameter of 1/4" is made of steel and is a universal model. It is branded by Sierra and has the product number 18-4257.
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$ 3,83
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1-2 weeks delivery time The Steel Plug measuring 3/4" is designed for reliable sealing in various applications. Made of stainless steel with a square drive and 3/4" NPT thread size, it is recommended to use pipe sealant with Teflon on the plug threads. It replaces several references, including Crusader 113186, and is branded by Sierra with the product number 18-4258.
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$ 8,87
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1-2 weeks delivery time This Brass Cap with a diameter of 1/8" ensures a secure fit for engine needs. It is compatible with various models from 30 to 225 horsepower and is made of brass. The product number is 18-4263, and it is branded by Sierra.
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$ 7,48
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1-2 weeks delivery time The Brass Cap measuring 3/8" is essential for ensuring a secure seal in various marine applications. It is compatible with models from 75 to 300 DFI/EFI and is branded by Sierra with the product number 18-4264.
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$ 6,61
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1-2 weeks delivery time This Brass Cap with a diameter of 3/4" provides a reliable seal for a wide range of engines, including those from 200 to 300hp. It is compatible with various Mercruiser and Mercury models and carries the product number 18-4265, branded by Sierra.
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$ 10,80
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1-2 weeks delivery time The high-quality Yamaha Propeller Washer is essential for maintaining the performance and safety of your marine vessel. It is manufactured by Sierra and has the product number 18-4274.
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$ 77,67
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1-2 weeks delivery time The 8 Trim Rings for Bravo Lower Unit are designed specifically for Bravo I, II, III, X, XR, and XZ models, ensuring optimal performance and durability. They have original references like 23-44165 and are branded by Sierra with the product number 18-4288-9.
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$ 102,10
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1-2 weeks delivery time The 2 Trim Shaft Circlips are essential for ensuring the proper function of your marine engine systems. They have original references such as 53-29641 and are compatible with Chrysler, Force, Mercruiser, Mercury, and US Marine engines. Branded by Sierra, the product number is 18-4295-9.
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$ 3,72
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1-2 weeks delivery time The Oil Seal Carrier Roller Bearing Retainer Ring is designed to maintain the integrity of your Mercruiser stern drives, ensuring optimal performance. It replaces Mercury Marine reference 35983 and fits Bravo drives. This product is branded by Sierra and has the product number 18-4296.
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$ 22,31
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1-2 weeks delivery time The Thermostat Kit for Mercruiser 4.3L, 5.0L, 6.2L MPI engines ensures optimal temperature regulation, enhancing performance and longevity. It has an original reference of 864493 and is compatible with models like 4.3L and 5.7L. Manufactured by Mercruiser and branded by Sierra, the product number is 18-43015.
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$ 40,97
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1-2 weeks delivery time This thermostat is specifically designed for Mercruiser inboard engines, ensuring precise temperature control for optimal performance. It has original references including S985009 and is suitable for MCM 496 Mag and MIE 8.1L models. The temperature range is 71°C, and it is branded by Sierra with the product number 18-43017.
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$ 40,37
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1-2 weeks delivery time The Thermostat Kit for Mercury engines is essential for maintaining the correct operating temperature in outboard engines. It has original references such as 14586A3 and operates within a temperature range of 48.9°C. Branded by Sierra, the product number is 18-43052.
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$ 72,14
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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.