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 Osculati 52.363.00 is a versatile outboard impeller suitable for Yamaha, Selva, and Parsun engines ranging from 9.9 HP to 115 HP, including both 2-stroke and 4-stroke models. Replacing OEM references 63V-44352-01 and F15-06050000, it features a 12.85 mm insert diameter (Ø A), 53 mm outer diameter (Ø B), and 14 mm height (C). The 6-blade design ensures reliable water pump performance and engine cooling for a wide range of recreational and utility marine applications.
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$ 29.10
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1-2 weeks delivery time Osculati 52.400.09 is a high-reliability impeller for Yamaha, Selva, and Parsun 2- and 4-stroke outboards in the 25 to 50 HP range. Replacing OEM part numbers 6H4-44352-02, 6H4-44352-00, and Parsun F25-04-040000, this model features a 16.1 mm insert diameter (Ø A), 51.2 mm outer diameter (Ø B), and 19.05 mm height (C). The 6-blade marine elastomer design ensures consistent cooling performance under varied loads and saltwater conditions.
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$ 46
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1-2 weeks delivery time This precision-engineered impeller (Osculati 52.326.00) replaces Honda part 19210-ZV4-013 and is suitable for 4-stroke outboard engines with 9.9 and 15 HP from the AH, AK, AM, and AN series. Featuring six flexible blades, a 13.15 mm shaft diameter, and a 41 mm outer diameter, it ensures efficient water circulation and optimal engine cooling in compact marine systems.
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$ 27.03
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1-2 weeks delivery time Osculati 52.327.00 is a compact impeller compatible with Honda 4-stroke outboards rated at 5, 6, 7.5, and 8 HP, replacing OEM parts 19210-881-003 and 19210-881-A02. Built with 8 flexible blades, it features a 13.15 mm hub, 41 mm outer diameter, and 23 mm height, ensuring stable cooling water flow for small marine engines.
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$ 25.72
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1-2 weeks delivery time The Osculati 52.337.00 impeller is a high-performance replacement for Honda part numbers 19210-ZW1-B02 and B04. Designed for 4-stroke outboard engines ranging from 75 to 150 HP manufactured up to the end of 1998, this 8-blade impeller offers a 23.35 mm shaft diameter, 87.8 mm outer diameter, and 31 mm height, delivering optimal water circulation and thermal protection under demanding marine conditions.
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$ 46.23
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1-2 weeks delivery time The Osculati 52.328.00 impeller is a high-quality replacement for Honda part 19210-ZV4-651, designed for 4-stroke outboard engines rated at 9.9 and 15 HP. It features a 14.1 mm inner diameter, 41 mm outer diameter, and 28.55 mm height, with a 6-blade design that ensures stable cooling performance and reliable water circulation in compact marine applications.
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$ 30.89
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1-2 weeks delivery time Osculati 52.339.00 is a direct-fit impeller for Honda 4-stroke outboards rated at 20, 25, and 30 HP, replacing OEM part 19210-ZV7-003. With six blades, a 17.2 mm internal diameter, 55.75 mm outer diameter, and 20.2 mm height, it provides efficient cooling water flow essential for stable engine operation in compact marine engines.
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$ 34.98
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1-2 weeks delivery time Osculati 52.338.00 is a six-blade replacement impeller for Honda 4-stroke outboard motors rated at 35, 40, 45, and 50 HP. It replaces OEM part 19210-ZW5-003 and features a 17.25 mm shaft diameter, 55.75 mm outer diameter, and 20.2 mm height. Designed for consistent cooling flow and long-term reliability, it is ideal for mid-power marine engines.
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$ 34.69
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1-2 weeks delivery time Osculati 52.340.00 is a high-capacity impeller designed for Honda 4-stroke outboard engines rated at 175 and 225 HP. As a direct replacement for OEM part 19210-ZY3-003, it features a 26 mm shaft diameter, 89.75 mm outer diameter, and 31.3 mm height. The 6-blade design ensures consistent water flow, ideal for high-load engine operation in demanding marine environments.
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$ 55.13
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1-2 weeks delivery time Osculati 52.348.00 is a six-blade replacement impeller for Honda 4-stroke outboard engines rated at 8 to 10 HP. Compatible with OEM references 19210-ZW9-A31 and 19210-ZW9-A32, it features a 16.2 mm hub diameter, 45.6 mm external diameter, and 14.8 mm height. This impeller ensures optimal engine cooling for reliable performance in light-duty marine applications.
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$ 33.01
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1-2 weeks delivery time Osculati 52.301.00 is a high-quality water pump impeller compatible with Mercury outboards (including Optimax and Alpha series) from 50 to 275 HP and Honda 4-stroke outboards from 75 to 90 HP. Replacing OEM part numbers Mercury 47-43026T2, 47-43-0262Q02, 47-43026-2, 47-11590M and Honda 19210-ZW1-003, 19210-ZW1-303, this 6-blade impeller is built for durability, efficient water flow, and OEM-grade cooling performance. Constructed with a robust rubber compound and brass insert, it ensures proper fit and reliable cooling under demanding marine conditions.
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$ 29.97
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1-2 weeks delivery time Osculati 52.347.00 is a compact six-blade impeller designed for Honda 4-stroke outboard engines in the 8 and 10 HP Power Thrust series. Replacing OEM parts 19210-ZW9-003 and 19210-ZW9-013, it features a 13 mm shaft diameter, 45.6 mm outer diameter, and 14.8 mm height. This impeller ensures reliable cooling performance, even under high thrust and low-speed heavy-load conditions.
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$ 31.55
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1-2 weeks delivery time Osculati 16.191.01 is a specialized tool for safely extracting outboard impellers from water pumps with inlets up to 1 inch. Designed for precision servicing, it allows quick removal without damaging the impeller or housing. Built from corrosion-resistant materials, this tool is essential for routine maintenance on small to mid-range outboard cooling systems.
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$ 131.07
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1-2 weeks delivery time Osculati 16.191.02 is a heavy-duty impeller puller designed for removing rubber impellers from water pumps with inlet diameters over 1 inch. Suitable for large outboard and inboard engines, this tool enables fast, non-destructive extraction of impellers during servicing. Built with marine-grade corrosion-resistant components, it provides excellent leverage and reliability for high-torque applications.
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$ 143.12
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1-2 weeks delivery time The Impeller Mercury-force Ref. 47-F40065-2 is designed to optimize the performance of marine engines, offering durability and efficiency for enhanced flow and power delivery. It has an internal diameter of 15.95 mm, an external diameter of 57.5 mm, and a thickness of 14.65 mm, featuring 10 blades for improved functionality. The FNI Product Number is 2726392.
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$ 24.98
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1-2 weeks delivery time The Mariner / Mercruiser / Mercury Impeller 2727005 is engineered for optimal performance in marine engines, featuring a robust design for reliable operation. With a product number of 2727005, it has an internal diameter of 22.2 mm, an external diameter of 60 mm, a thickness of 33.8 mm, and includes six blades, enhancing your overall boating experience.
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$ 26.82
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1-2 weeks delivery time The Force Impeller 2T is designed for marine engines, specifically enhancing power and fuel efficiency in outboard motors. Engineered for optimal performance, it features an internal diameter of 16 mm, an external diameter of 57 mm, and a thickness of 15 mm, with six blades for improved water flow and thrust. The product number is 2727080 FNI.
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$ 27.28
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1-2 weeks delivery time The Force Impeller 2T 9.9-15 HP is engineered for optimal performance in various applications, enhancing the efficiency of outboard motors to provide superior thrust and durability for a smooth boating experience. It features a product number of 2727081 FNI, with an internal diameter of 12.85 mm, external diameter of 57 mm, thickness of 14.8 mm, and six blades.
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$ 20.18
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1-2 weeks delivery time The Yamaha / Selva 4T 6-8 HP Impeller is designed to enhance the performance and efficiency of your outboard motor, providing smooth operation on the water. With a product number of 2726368, it features an internal diameter of 11.7 mm, an external diameter of 52.8 mm, a thickness of 14 mm, and six blades for optimal propulsion capabilities.
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$ 23.99
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1-2 weeks delivery time The Honda 4T impeller is designed to enhance the performance of outboard engines, ensuring durability and efficiency for optimal water flow and improved boat functionality. With a product number of 2726327 FNI, it features an inner diameter of 14.2 mm, an outer diameter of 41 mm, a thickness of 23 mm, and eight blades.
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$ 18.71
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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.