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 The Fuel Connection for Mercury Engines provides a secure and efficient link for fuel delivery, designed specifically for Mercury engines with an inner diameter of 8 mm. Brand: Sierra, Product Number: 18-8070.
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$ 25.40
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1-2 weeks delivery time The Fuel Fittings for Mercury Engines ensure reliable performance with versatile fittings, featuring a fuel nozzle for the engine side and an inner diameter of 8 mm. Brand: Sierra, Product Number: 18-8085.
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$ 18.33
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1-2 weeks delivery time The 3/8" X 3/8" Male Hose Barb is ideal for connecting fuel lines, providing a reliable and flexible solution with a diameter of 9.5 mm and male connectors. Brand: Sierra, Product Number: 18-8108.
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$ 10.31
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1-2 weeks delivery time The Hose Barb - 5/16" Barb x 3/8" NPT offers flexibility in fuel line connections, ensuring compatibility with various fittings and secure operation, featuring a diameter of 8 mm. Brand: Sierra, Product Number: 18-8109.
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$ 10.27
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1-2 weeks delivery time The 3 Brass Plugs - 1/4 are high-quality plugs designed for various engine models, featuring a diameter of 1/4" and compatibility with engines ranging from 80 to 250hp EFI/DFI, including Mercruiser and Mercury brands. Brand: Sierra, Product Number: 18-8111-9.
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$ 17.07
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1-2 weeks delivery time The Gasoline Hose with threaded ends is a durable option for effective fuel transport, connecting the fuel pump to the carburetor with a PTFE composite pipe and featuring one end as a 5/8" male inverted flare straight and the other as a 5/8" male inverted flare at a 90° angle. Brand: Sierra, Product Number: 18-8114.
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$ 146.07
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1-2 weeks delivery time The Fuel Filter for Volvo D4-D6 Engines ensures optimal engine operation and compatibility with models such as D4-180 and D6-400, with original references including 21718912 and 3583443. Brand: Sierra, Product Number: 18-8125.
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$ 48.01
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1-2 weeks delivery time The Fuel Filter for Volvo-Penta Engines - 10µ provides reliable filtration for various models, including the 3.0L GXi and V8 430, featuring original reference 3847644 and designed for inboard engines. Brand: Sierra, Product Number: 18-8149.
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$ 28.55
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1-2 weeks delivery time The Transom Seal Kit is a comprehensive kit for Alpha-I GEN II models (1998 - present), including all necessary components such as greasable gimbal bearing, bellows, hoses, and clamps. Brand: Sierra, Product Number: 18-8206-1.
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$ 336.89
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1-2 weeks delivery time The Mercruiser Transom Seal Kit ensures a reliable seal for Bravo I/II/III or Blackhawk inboard motors, helping to maintain performance and prevent leaks, with original references including 30-803100T1 and 8M0095485. Brand: Sierra, Product Number: 18-8212-1.
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$ 658.13
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1-2 weeks delivery time The Fuel Filter for Honda Engines is designed to ensure optimal performance and protection against contaminants, compatible with models such as BF8, BF9.9, BF15, BF25, and BF30, with the original reference 16910-ZV4-015. Brand: Sierra, Product Number: 18-8226.
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$ 17.58
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1-2 weeks delivery time The Exhaust Manifold Mounting Kit for Volvo-Penta and OMC applications is designed for GM V8 engines (305 - 350), ensuring secure installation and compatibility with both manufacturers. Brand: Sierra, Product Number: 18-8502.
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$ 131.54
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1-2 weeks delivery time The Exhaust Elbow Mounting Kit provides a reliable solution for small block and big block GM engines, ensuring proper fitting and performance with original reference 27-863724. Brand: Sierra, Product Number: 18-8505.
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$ 58.32
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1-2 weeks delivery time The Exhaust Elbow Mounting Kit for Volvo Engines is specifically designed for small block Volvo engines, ensuring a secure and effective installation with original references 50456 and 50456-G. Brand: Sierra, Product Number: 18-8507.
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$ 56.95
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1-2 weeks delivery time The Exhaust Manifold Mounting Kit for Volvo-Penta is engineered for GM V8 engines (305 - 350), providing a secure fit and excellent durability, making it a reliable choice for Volvo Penta applications. Brand: Sierra, Product Number: 18-8511.
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$ 81.10
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1-2 weeks delivery time The GM Exhaust Manifold Mounting Kit is specifically engineered for GM V8 engines (305 - 350), providing a secure fit and reliable performance, suitable for Mercruiser applications. Brand: Sierra, Product Number: 18-8520.
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$ 43.79
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1-2 weeks delivery time The Oil Filter for Yamaha Engines is a high-performance filter designed specifically for Yamaha outboard engines, ensuring optimal protection and efficiency for models including F15, F20, F25, and F70, with original references such as 1WD-E3440-10-00. Brand: Sierra, Product Number: 18-8700.
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$ 15.32
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1-2 weeks delivery time The Mercruiser 4-Cylinder Spark Plug Wires provide durability and excellent performance for 4-cylinder engines, featuring a Kevlar and stainless steel core and suitable for models such as 3.7L and 180, with original references like 84-813720A5. Brand: Sierra, Product Number: 18-8808-2.
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$ 131.04
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1-2 weeks delivery time These 6 Spark Plug Wires for Mercruiser engines ensure optimal performance with electronic ignition systems, compatible with models such as 4.3L and 205, and featuring original references including 84-813720A11. Brand: Sierra, Product Number: 18-8810-1.
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$ 84.62
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1-2 weeks delivery time The 4 Spark Plug Wires for OMC engines are designed for reliable ignition performance, specifically for the 3.0L model, featuring original reference 503749. Brand: Sierra, Product Number: 18-8814-1.
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$ 35.41
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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.