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 CEF Impeller, designed for enhancing the efficiency of water pumps, features a high-quality neoprene construction and an optimized blade design. With a diameter of 14.29mm, an outer diameter of 65mm, and a depth of 50.2mm, it has 8 blades and a spline shaft, making it compatible with Johnson Pump motors. The product number is IMP-500106GT, and it comes in black, available for purchase as a single piece (EAN Code: 8051193001352).
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$ 26.68
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1-2 weeks delivery time The CEF Impeller, measuring ø14.29xø65x68.2mm and featuring 10 blades, is designed for optimal performance in marine applications, ensuring efficient water flow and cooling for engines. Made from durable neoprene and suitable for Yanmar motors, it comes in black and is sold as a single piece (Product Number: IMP-500161, EAN Code: 8051193001727).
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$ 41.86
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1-2 weeks delivery time The CEF Impeller, measuring ø14.35xø57.5x15mm and featuring 10 blades, is designed for optimal performance in marine applications. Made from durable neoprene, it boasts reliable dimensions and is compatible with Force and Chrysler motor brands. Product details include a black color, a product number of IMP-500335, an EAN code of 8051193002724, and a key drive shaft type.
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$ 31.91
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1-2 weeks delivery time The CEF Impeller, designed for optimal performance in marine engines, features a durable neoprene construction with a size of ø14xø40x22mm and six blades. It ensures efficient water flow and cooling, and is compatible with Mercruiser and Mariner engine brands. This product, identified by the number IMP-500321 and EAN code 8051193002595, is available for purchase as a single piece in black.
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$ 18.56
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1-2 weeks delivery time The CEF Impeller, measuring ø14xø69x12.72mm and featuring 6 blades, is designed for optimal water flow and cooling in marine engines, particularly those of Johnson Evinrude and OMC brands. Constructed from durable neoprene and available in black, this reliable impeller (Product Number: IMP-500349) ensures efficient performance with a key drive shaft design.
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$ 17.03
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1-2 weeks delivery time The CEF impeller, designed specifically for Suzuki motors, is a high-quality component made from durable neoprene material. With a robust design featuring an inner diameter of 15.25 mm, an external diameter of 70.5 mm, and a depth of 12.1 mm, it ensures optimal efficiency. This black impeller has 6 blades and uses a key drive hub. Product number IMP-500398, it is sold as a single piece and has an EAN code of 8051193003288.
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$ 24.18
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1-2 weeks delivery time The CEF Impeller, measuring ø15.93xø57x31.6mm with 12 blades, is engineered for superior marine performance, ensuring optimal water flow and efficient engine operation. Made of durable neoprene and colored black, this key drive impeller is specifically designed for Yanmar engines and comes with the product number IMP-500108CGT.
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$ 34.45
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1-2 weeks delivery time The CEF impeller, measuring ø15.93mm x ø65.2mm x 50.2mm and featuring 8 blades, is designed for excellent performance and durability in various marine applications. Constructed from neoprene and finished in black, it has a product number of IMP-500160, an EAN code of 8051193001710, and is compatible with Mariner and Mercruiser motor brands. The hub type is Key Drive, and it is sold as a single piece.
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$ 32.76
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1-2 weeks delivery time The CEF impeller (Product Number: IMP-500370C) is a vital component designed for Johnson and Evinrude motors, measuring 15.94 mm in outer diameter and featuring 6 blades. Made from high-quality neoprene for durability, it has an inner diameter of 51.2 mm and a depth of 19.05 mm. This black impeller operates with a key drive shaft and is compatible with Johnson, Evinrude, and OMC motors. The EAN code for this product is 8051193003042.
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$ 19.34
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1-2 weeks delivery time The CEF Impeller, designed for optimal performance in various marine engines, features a sturdy construction with dimensions of ø15.94mm for the inner diameter and ø51.2mm for the outer diameter, along with a depth of 19.05mm. This black neoprene product, with a product number of IMP-500374, has six blades and is compatible with OMC and Johnson Evinrude motor brands. It ensures efficient water flow and durability in demanding aquatic environments.
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$ 16.62
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1-2 weeks delivery time The CEF Impeller, measuring 15.95 mm in diameter with a product diameter of 51.2 mm and a depth of 19.05 mm, features six blades and is constructed from durable neoprene. Designed for optimal performance in various marine engines, this reliable component is compatible with Mercury, Mariner, and Mercruiser brands. Its robust build ensures long-lasting functionality, making it an essential part for watercraft maintenance. Product number IMP-500311G, available as a single piece.
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$ 16.78
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1-2 weeks delivery time The CEF Impeller (Product Number: IMP-500357G) is a durable and optimally designed component for enhancing the performance of marine engines, measuring 15.95mm in inner diameter, 51.2mm in outer diameter, and 19.05mm in depth with six blades. Made from black neoprene, it features a key drive shaft and is compatible with Johnson Evinrude and OMC engine brands.
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$ 16.35
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1-2 weeks delivery time The CEF Impeller, designed for optimal performance and reliability, features a durable construction made from high-quality neoprene. With dimensions of ø15.95mm x ø57mm x 15mm and six blades, it is ideal for various applications. The product number is IMP-500342, and it comes in black with a key drive hub, ensuring long-lasting efficiency. It is sold as a single piece and has an EAN code of 8051193002779.
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$ 26.41
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1-2 weeks delivery time The CEF Impeller, measuring ø15.9xø62x31.7mm and featuring 12 blades, is a high-quality marine engine component made from durable neoprene. Its precise design ensures optimal water flow and reliability, making it a compatible choice for Ancor motors. The product, identified by the number IMP-500103GT and an EAN code of 8051193001321, is available in black and sold as a single piece.
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$ 35.14
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1-2 weeks delivery time The CEF Impeller, measuring ø16.04xø69.2x22.25mm with 6 blades, is engineered for optimal performance in marine applications, featuring durable neoprene material for reliability and longevity. It has a product number of IMP-500345, an EAN code of 8051193002809, and is compatible with OMC and Johnson Evinrude motor brands. Sold as a single piece, it has an inner diameter of 16.04mm, an outer diameter of 69.2mm, a depth of 22.25mm, and utilizes a key drive shaft. Its sleek black design makes it a practical choice for marine enthusiasts.
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$ 18.80
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1-2 weeks delivery time The CEF Impeller (Product Number: IMP-500352) is a high-quality component designed for marine engines, featuring a compact size of 16.04 mm in diameter and 69.8 mm in overall diameter with a depth of 22.1 mm. Equipped with six blades for efficient water flow, it is made of durable neoprene material and is compatible with OMC and Johnson Evinrude engine brands. Sold as a single piece, this black impeller ensures reliable operation and optimal performance.
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$ 21.20
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1-2 weeks delivery time The CEF Impeller (Product Number: IMP-500346C) is a high-quality, durable component designed for enhanced performance in various systems. With a diameter of 16.04 mm, a product diameter of 70 mm, and a depth of 22.3 mm, it features six blades and is made of black neoprene material. This impeller utilizes a key drive type shaft and is sold as a single piece, making it a reliable solution for optimal functionality. The EAN code for this product is 8051193002816.
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$ 40.82
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1-2 weeks delivery time The CEF Impeller, measuring 16.15mm inner diameter and 69.5mm in diameter with a depth of 12.72mm, is a high-quality marine engine component made from durable neoprene. It features six blades and a key drive shaft type, ensuring optimal performance and reliability for Mercruiser and Mariner engines. The product number is IMP-500326 and it is available in black.
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$ 24.18
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1-2 weeks delivery time The CEF Impeller, designed for enhanced boat performance, features a durable neoprene construction with six blades for efficient water flow and optimal engine operation. It has a product diameter of 51.2mm, a depth of 19.05mm, and a main diameter of 16.1mm. Compatible with Yamaha engines, it comes in black and is sold as a single piece (Product Number: IMP-500385G, EAN: 8051193003189).
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$ 32.09
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1-2 weeks delivery time The CEF Impeller, with dimensions of ø16.2xø45.6x14.8mm and featuring 6 blades, is designed for optimal performance and durability in various applications. Made from high-quality neoprene and presented in a sleek black design, it is built to withstand demanding conditions. This impeller is compatible with Honda motors, has a key drive type bore, and is sold as a single piece. Its product number is IMP-500348, and it has an EAN code of 8051193002830.
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$ 23.26
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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.