A water pump impeller replacement is a crucial maintenance task for boat and marine engines. This impeller is responsible for circulating coolant, preventing overheating, and ensuring optimal engine performance. Regular replacement of the impeller helps maintain the reliability and longevity of marine power systems, such as Perkins and Ancor engines.
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1-2 weeks delivery time The Impeller JAB.17018 is a high-performance component designed for Volvo marine applications, ensuring durability and efficiency for optimal performance in various conditions. With an inner diameter of 10 mm, outer diameter of 39.6 mm, thickness of 14.3 mm, and 12 blades, this impeller is a reliable choice for marine needs. FNI Product Number: 2727168.
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$ 68.15
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1-2 weeks delivery time The Sherwood Impeller 27000K is a durable and efficient component designed for various marine applications, featuring a robust construction that enhances performance in boat engines. It has an internal diameter of 16.1 mm, an external diameter of 84 mm, a thickness of 73 mm, and includes 12 blades, with the FNI product number 2726181.
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$ 119.10
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1-2 weeks delivery time The Impeller JAB.920-0001-JOHN.09-1028B is a high-quality component designed for optimal performance, featuring specific dimensions that enhance its efficiency and reliability. It has an inner diameter of 16 mm, an outer diameter of 65 mm, a thickness of 50.2 mm, and includes 8 blades. Its FNI Product Number is 2727104.
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$ 29.30
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1-2 weeks delivery time The Impeller JAB.17936 is a high-performance component engineered for optimal fluid dynamics, featuring precision craftsmanship for enhanced efficiency and durability. It has a FNI product number of 2727111, with an inner diameter of 25 mm, outer diameter of 95 mm, thickness of 88.5 mm, and 12 blades.
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$ 92.16
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1-2 weeks delivery time The Volvo impeller (Ref. 834794 / 876120) is engineered for optimal performance in marine engines, featuring durable construction and precision design for reliable operation. It has an internal diameter of 14.29 mm, an external diameter of 57.18 mm, a thickness of 50.25 mm, and includes 10 blades, with an FNI product number of 2726133.
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$ 39.22
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1-2 weeks delivery time The Jabsco 6303 John Impeller, with product number 2726138 FNI, is designed for efficient performance in marine applications. It features robust construction for optimal fluid flow, has an internal diameter of 8.07 mm, an external diameter of 51.3 mm, a thickness of 22 mm, and consists of 6 blades, making it a reliable choice for boat owners.
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$ 19.95
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1-2 weeks delivery time The Jabsco Impeller 17240-0001E1879-0001 is a high-performance component designed for reliability and efficiency in marine applications, ensuring optimal water flow for smooth operation. It features a product number of 2726144, with an inner diameter of 25.4 mm, outer diameter of 118 mm, thickness of 88.9 mm, and 9 blades.
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$ 153.71
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1-2 weeks delivery time The Jabsco 18653 Vetus K3 / 3D / 4 impeller is a highly efficient and robust component designed for optimal performance in marine applications. With an internal diameter of 12.15 mm, an external diameter of 50.8 mm, and a thickness of 22.1 mm, this essential part features 10 blades, ensuring reliable operation for your vessel's pump system.
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$ 32.31
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1-2 weeks delivery time The Jabsco Impeller 13554-6001 is engineered for reliable performance in marine applications, featuring robust construction and high-quality materials for longevity and efficiency in water pumps. It has an internal diameter of 16 mm, an external diameter of 57.15 mm, a thickness of 48.25 mm, and boasts 12 blades, with an FNI product number of 2726150.
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$ 43.90
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1-2 weeks delivery time The Jabsco Impeller 17370-001 is designed for optimal performance and reliability in marine applications, featuring a robust construction that ensures durability and efficiency. It has a product number of 2726152 FNI, with an internal diameter of 20.2 mm, an external diameter of 95 mm, a thickness of 88.5 mm, and 12 blades, making it an essential component for various pumping needs.
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$ 64.37
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1-2 weeks delivery time The Jabsco Impeller 18786-0001 is a high-performance pump component crafted for reliability and efficiency across various applications. Constructed from durable materials, this impeller features a product number of 2726153 FNI, with an inner diameter of 25.4 mm, outer diameter of 118 mm, thickness of 88.9 mm, and nine blades to ensure optimal performance.
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$ 113.58
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1-2 weeks delivery time The Jabsco Impeller 11979-0001 is a high-quality replacement part designed for optimal performance in marine and industrial pumping systems. Built for reliability, it features a robust construction with an internal diameter of 16 mm, external diameter of 65 mm, thickness of 36.5 mm, and 8 blades, ensuring smooth and efficient operation.
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$ 42.89
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1-2 weeks delivery time The Jabsco Impeller 18673-0001 is a high-quality component designed for reliable performance, featuring an internal diameter of 12.66 mm, an external diameter of 51.8 mm, a thickness of 22 mm, and 10 blades for optimal fluid transfer and longevity. The FNI Product Number for this impeller is 2726156.
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$ 36.08
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1-2 weeks delivery time The Yanmar Impeller 119593-42200 is a durable replacement part designed for optimal marine engine performance, featuring precise dimensions that support efficient water flow and cooling. It has an interior diameter of 16 mm, an exterior diameter of 65 mm, a thickness of 68.2 mm, and includes 10 blades.
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$ 43.24
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1-2 weeks delivery time The Jabsco Impeller 17938-0001 is a durable and efficient component optimized for marine applications, ensuring reliable operation and optimal flow in water systems. It features an FNI Product Number of 2726163, an inner diameter of 25.4 mm, an outer diameter of 95 mm, a thickness of 95 mm, and 12 blades.
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$ 122.73
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1-2 weeks delivery time The Sherwood Impeller 15000K is a durable and high-performance component designed for various marine applications, featuring a robust construction that withstands harsh conditions. It has a product number of 2726167 FNI, with an internal diameter of 16 mm, an external diameter of 65 mm, a thickness of 51 mm, and 12 blades for optimal functionality.
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$ 50.47
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1-2 weeks delivery time The Impeller JAB.653-0001-3-JOHN.09-0810B is a precision-engineered component that enhances performance and reliability in various applications. It features a product number of 2727101 FNI, an internal diameter of 12.10 mm, an external diameter of 50.8 mm, a thickness of 22.1 mm, and includes 6 blades for optimal efficiency.
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$ 19.62
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1-2 weeks delivery time The Impeller JAB.4568-JOHN.09-801B is a high-performance component designed for durability and efficiency in various applications, enhancing fluid dynamics and operational effectiveness. It features a FNI product number of 2727106, with an internal diameter of 16 mm, external diameter of 57 mm, thickness of 31.65 mm, and is equipped with 12 blades.
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$ 39.08
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1-2 weeks delivery time The Impeller JAB.6770-103-JOHN.09-802B is a durable and efficient component designed for optimal performance across various applications, featuring a robust construction. Key specifications include a product number of 2727108, an inner diameter of 25 mm, an outer diameter of 95 mm, a thickness of 88.5 mm, and 9 blades.
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$ 93.32
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1-2 weeks delivery time The Impeller JAB.22779 is a high-quality component designed for Yanmar engines, offering reliable performance with its robust construction and precise dimensions. It features an internal diameter of 12.75 mm, an external diameter of 50.8 mm, a thickness of 22.1 mm, and six blades, ensuring optimal fluid flow and durability in challenging conditions. The FNI Product Number for this impeller is 2727140.
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$ 21.62
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How does a flexible impeller differ from a standard water pump impeller in terms of functionality?
A flexible impeller differs from a standard water pump impeller in its design and ability to handle varying conditions. Made of neoprene or nitrile rubber, the flexible impeller blades bend and conform to changes inside the pump body, making it effective for raw water pumping in marine engines. This flexibility allows it to handle small debris and tolerate running dry briefly, reducing the risk of damage compared to a standard impeller, which is typically made of more rigid materials and has less tolerance for friction or sudden changes in conditions.
When replacing a flexible impeller, having the right spare parts is crucial to ensure proper installation and function. An impeller puller is often needed to remove the old impeller from the pump shaft without causing damage. During installation, it's important to lubricate the impeller and insert it in the correct direction to avoid damaging the blades. A proper gasket and cover must also be used to prevent leaks, and all components—such as the impeller hub—should be securely in place to maintain efficient engine cooling.
How does an impeller replacement affect the performance of a boat outboard engine?
Replacing an impeller in a boat outboard engine ensures the engine cooling system functions effectively, preventing overheating and maintaining optimal performance. Installing a new impeller helps maintain efficient water transfer within the pump body, ensuring the engine remains cool during operation. Regular replacement is crucial for reliability, especially for demanding conditions in both inboard and outboard applications.
For reliable replacements tailored to your engine, explore our full selection of Evinrude Impeller options.
What are the differences between neoprene and nitrile impellers for marine applications?
Neoprene and nitrile impellers differ in their suitability for marine applications. Neoprene impellers are ideal for most marine cooling systems due to their flexibility and durability when pumping fresh or saltwater, making them suitable for emergency situations. Nitrile impellers, on the other hand, are more resistant to oils and chemicals, making them a good idea for applications where the impeller may come into contact with fuel or oil. Both types are durable, but choosing the right one depends on the specific needs of the engine's cooling or raw water system.