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 Kevlar Spark Plug Wires measure 178mm (7 inches) and provide exceptional strength and performance for your engine, ensuring reliability and durability. Brand: Sierra, Product Number: 18-8819-1.
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$ 37.55
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1-2 weeks delivery time The 8 Spark Plug Wires for Mercruiser are designed for optimal ignition and performance under various conditions, suitable for models like 5.0L and 350, with original references including 84-813720A3. Brand: Sierra, Product Number: 18-8821-1.
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$ 113.02
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1-2 weeks delivery time The 8 Spark Plug Wires for Mercruiser with Delco HEI Ignition provide high-quality performance for various engine models, including 5.0L MPI and 350 MAG MPI, with original references such as 84-863656A1. Brand: Sierra, Product Number: 18-8828-1.
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$ 180.73
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1-2 weeks delivery time The Kit 4 Spark Plug Wires includes multiple wire lengths, featuring two 14" and two 16" wires to suit specific ignition requirements. Brand: Sierra, Product Number: 18-8839-1.
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$ 92.63
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1-2 weeks delivery time The Oil Filter for Suzuki Engines is specifically designed for various Suzuki outboard models, ensuring optimal performance and longevity, compatible with models like DF8A and DF20A with an original reference of 16510-45H10. Brand: Sierra, Product Number: 18-8870.
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$ 16.46
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1-2 weeks delivery time This Impeller for Mercury Engines provides reliable performance and durability, compatible with a range of Mercury outboard models and made of rubber, with original references including 47-19453. Brand: Sierra, Product Number: 18-8900.
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$ 55.58
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1-2 weeks delivery time The Impeller for Yamaha Engines ensures efficient cooling and performance for Yamaha outboard engines, compatible with models like 6 and 9.9, featuring an original reference of 68T-44352-00-00 and made of rubber. Brand: Sierra, Product Number: 18-8910.
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$ 46.43
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1-2 weeks delivery time The Impeller for Yamaha Engines is a high-quality component designed specifically for Yamaha outboard engines, ensuring optimal performance and reliability for models 2.5 and 3, with an original reference of 6L5-44352-00-00. Brand: Sierra, Product Number: 18-8911.
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$ 48.95
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1-2 weeks delivery time This durable Impeller for Tohatsu Engines is crafted for various outboard models, including 8, 9.8, and 9.9, providing enhanced durability and performance with original references such as 47-8037481. Brand: Sierra, Product Number: 18-8920.
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$ 33.37
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1-2 weeks delivery time The reliable Impeller for Tohatsu Engines ensures efficient operation and longevity for models 9.9, 15, 18, and 20, featuring an original reference of 334-65021-0, and is designed to meet the needs of Tohatsu and NISSAN outboard engines. Brand: Sierra, Product Number: 18-8921.
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$ 51.76
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1-2 weeks delivery time This high-performance Impeller for Tohatsu Engines is designed to ensure efficient water flow and engine cooling for models 40 and 50, with an original reference of 3C8-65021-2, suitable for both Yamaha and Tohatsu engines. Brand: Sierra, Product Number: 18-8922.
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$ 57
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1-2 weeks delivery time The reliable Impeller for Tohatsu Engines is specifically crafted for models 25, 30, 35, and 40, providing durability and optimal performance with an original reference of 345-65021-0. Brand: Sierra, Product Number: 18-8923.
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$ 61.52
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1-2 weeks delivery time This versatile Impeller for Tohatsu Engines is designed for a wide range of models, including 40 to 140, ensuring reliable performance and durability with original references 3B7-65021-2 and 3C7-65021-1. Brand: Sierra, Product Number: 18-8924.
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$ 107.57
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1-2 weeks delivery time This comprehensive Impeller Kit and Seals for Crusader Engines includes seals and is designed for optimal performance in Crusader inboard engines, compatible with models 5.7L, 6.0L, and 8.1L, featuring 10 blades and an original reference of RP061022. Brand: Sierra, Product Number: 18-8926.
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$ 96.24
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1-2 weeks delivery time The reliable Impeller for Yanmar Engines is designed for Yanmar inboard engines, ensuring efficient operation and longevity for models 1GM and 1GM10, with an original reference of 128176-42071 and featuring six blades. Brand: Sierra, Product Number: 18-8951.
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$ 56.65
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1-2 weeks delivery time The Engine Water Flusher for Inboard Cooling Systems by Sierra Marine is ideal for flushing most inboard engines, effectively cleaning the cooling system of salts and sediments, allowing for tuning and adjustments right in your driveway. Brand: Sierra, Product Number: 18-9009.
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$ 36.74
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1-2 weeks delivery time The Set of Crimp Clamps and Pliers includes a crimping tool and 50 clamps of various sizes, providing versatile applications for securing hoses and fittings. Brand: Sierra, Product Number: 18-9125-1.
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$ 440.15
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1-2 weeks delivery time These 10 Rivet Clamps for Fuel Hose are specifically designed for Evinrude engines with an inlet diameter of 14.5 mm, ensuring secure connections for fuel lines. Brand: Sierra, Product Number: 18-9132-9.
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$ 29.78
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1-2 weeks delivery time The Alpha 1 Shaft Nut Wrench for Gen II and Bravo drives has an original reference of Mercury part number 91-17256, providing a reliable solution for securing and adjusting shaft nuts. Brand: Sierra, Product Number: 18-9803.
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$ 216.65
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1-2 weeks delivery time The Shift Cable Tool is designed to replace Mercury Marine part number 91-12037, facilitating the installation and adjustment of shift cables in marine applications. Brand: Sierra, Product Number: 18-9806E.
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$ 71.73
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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.