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, measuring ø16.85xø65x50.7mm and featuring 10 blades, is designed for optimal performance and durability, making it suitable for various applications. It is made of black neoprene, has an inner diameter of 16.85 mm and an outer diameter of 65 mm, with a depth of 50.7 mm. The product number is IMP-500148, and it uses a single flat drive shaft. It is sold as a single piece and has an EAN code of 8051193001635.
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$ 38.60
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1-2 weeks delivery time The CEF Impeller, measuring ø16.85xø66.5x50.6mm and featuring 8 blades, is crafted for optimal performance and efficiency in marine applications. Made from high-quality neoprene, it is compatible with various Mercury, Mercruiser, and Mariner motors, ensuring reliable operation. The product number is IMP-500109T, and it has an EAN code of 8051193001383.
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$ 31.75
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1-2 weeks delivery time The CEF Impeller (Product Number: IMP-500366) is a high-quality marine engine component designed for optimal performance, featuring six well-engineered blades for efficient water flow that enhances cooling and engine effectiveness. With a diameter of 69mm, a depth of 12.72mm, and made from durable neoprene in black, this impeller is compatible with OMC and Johnson Evinrude motor brands and has a key drive shaft type.
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$ 25.61
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1-2 weeks delivery time The CEF Impeller, measuring ø16xø73x12.6mm and featuring 6 blades, is engineered for optimal performance in marine applications. Made of durable neoprene and designed for reliability and efficiency, this black impeller is compatible with Mercruiser and Mariner motor brands. With a product number of IMP-500315 and an EAN code of 8051193002533, it is sold as a single piece.
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$ 18.63
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1-2 weeks delivery time The CEF Impeller, measuring ø17.1xø67x16.5mm and featuring 6 blades, is crafted from high-quality neoprene for exceptional performance and durability. Designed for Suzuki motors, it ensures reliability in various conditions. Product details include the number IMP-500362G, a black finish, and a key drive shaft type. The sales unit is one piece, with an EAN code of 8051193002960.
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$ 27.11
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1-2 weeks delivery time The CEF Impeller, featuring a size of ø17.1xø67x19mm and 6 blades, is a high-performance and durable component designed for watercraft. With an inner diameter of 17.1 mm, outer diameter of 67 mm, and a depth of 19 mm, this black neoprene impeller is compatible with Suzuki motors and is sold as a single piece (Product Number: IMP-500361, EAN: 8051193002953).
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$ 29.32
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1-2 weeks delivery time The CEF Impeller, with a product number of IMP-500382, features a diameter of 17.2 mm and is designed for optimal performance with Tohatsu motors. Constructed from durable neoprene, this black impeller has a total diameter of 44.25 mm, a depth of 20.25 mm, and includes six blades. It uses a key drive shaft and comes as a single piece, ensuring both efficiency and longevity. The EAN code for this product is 8051193003158.
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$ 19.55
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1-2 weeks delivery time The CEF Impeller, measuring 17.2mm in diameter and featuring six blades, is designed for performance and durability in various applications. With robust neoprene construction, it ensures efficient water flow and reliable operation. This model, compatible with Tohatsu motors, has a product diameter of 50.4mm, a depth of 20.2mm, and is available for purchase as a single piece (Product Number: IMP-500379, EAN Code: 8051193003134).
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$ 22.30
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1-2 weeks delivery time The CEF Impeller, designed for Honda motors, features a high-quality black neoprene construction with a diameter of 55.75 mm, a depth of 20.2 mm, and six blades for optimal efficiency and durability. It is identified by product number IMP-500338, has an EAN code of 8051193002755, and uses a key drive shaft type, making it a reliable choice for various applications.
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$ 24.47
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1-2 weeks delivery time The CEF Impeller is a high-performance component for Honda motors, made from durable neoprene for long-lasting reliability. Measuring 17.2 mm in diameter with a product diameter of 55.75 mm and a depth of 20.2 mm, it features six blades and uses a key drive shaft. The product is sold individually and is identified by the product number IMP-500339 and EAN code 8051193002762.
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$ 24.64
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1-2 weeks delivery time The CEF impeller, measuring ø17.2xø67x16.16mm and featuring 6 blades, is crafted from durable neoprene, ensuring optimal performance and longevity. Designed specifically for Suzuki motors, this high-quality component (Product Number: IMP-500399) is essential for various applications. It has an inner diameter of 17.2mm, an outer diameter of 67mm, and a depth of 16.16mm, with a key drive hole type. The impeller is black and sold as a single piece, carrying an EAN code of 8051193003295.
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$ 24.01
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1-2 weeks delivery time The CEF impeller, measuring ø17.5xø51.2x19.05mm with a six-blade design, is crafted from durable neoprene for reliability in demanding conditions. It is compatible with Johnson Evinrude and OMC motor brands, featuring a key drive shaft. The product, identified by number IMP-500353 and EAN code 8051193002885, is sold as a single piece and is available in black.
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$ 21.27
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1-2 weeks delivery time The CEF Impeller, measuring ø17xø66x32mm with 8 blades, is designed for enhanced performance and efficiency in various applications. It features a robust construction of neoprene, a black finish, and is suitable for key drive shafts. With a product number of IMP-500128 and an EAN code of 8051193001512, this reliable impeller is recommended for Renault motor brands.
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$ 28.84
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1-2 weeks delivery time The CEF Impeller, measuring ø18.05xø51.8x19mm and featuring 6 blades, is engineered for optimal performance and durability in marine applications. Constructed from high-quality neoprene, it ensures reliable engine operation and enhances efficiency. With a product number of IMP-500316, it is compatible with Mercury, Mercruiser, and Mariner motor brands, and is sold as a single piece.
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$ 19.05
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1-2 weeks delivery time The CEF Impeller, designed for Suzuki engines, features a robust black neoprene construction for durability and efficiency. Measuring 19.13 mm in outer diameter and 51.8 mm in inner diameter, this 6-blade impeller (Product Number: IMP-500312) is essential for optimal performance in various conditions.
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$ 17.95
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1-2 weeks delivery time The CEF Impeller, measuring ø19.13xø89x31.9mm and featuring 6 blades, is designed for optimal performance in various boat engines. Made from durable neoprene, it promotes efficient water flow and engine cooling. This black impeller (Product Number: IMP-500306) is compatible with OMC and Johnson Evinrude engines and includes a key drive shaft type.
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$ 36.08
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1-2 weeks delivery time The CEF Impeller, measuring ø19.15xø91.3x25.4mm with 3 blades, is crafted for optimal performance in marine applications. Made of durable neoprene and presented in black, it features a key drive type shaft and is compatible with renowned brands like Johnson Evinrude and OMC. The product number is IMP-500372C, and it comes as a single piece.
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$ 28.09
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1-2 weeks delivery time The CEF Impeller, designed for Johnson and Evinrude engines, is a high-quality component that enhances performance with its durable neoprene construction. With a diameter of 91.3 mm, a depth of 25.4 mm, and featuring three blades, this black impeller is built for efficiency and reliability. It has a product number of IMP-500373C and is compatible with engines from OMC as well.
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$ 30.27
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1-2 weeks delivery time The CEF impeller, measuring ø19.15xø91.5x25.4mm with 6 blades, is designed for optimal performance in various engine applications, specifically tailored for OMC and Johnson Evinrude motors. Made from durable neoprene and available in black, this product (IMP-500303C) features a key drive shaft hole and is sold as a single piece. It boasts excellent reliability and precision, making it a robust choice for engine enthusiasts.
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$ 33.97
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1-2 weeks delivery time The CEF Impeller, measuring ø19.25xø78.2x25.15mm with 6 blades, is designed for optimal performance and durability in Mariner and Mercruiser motors. Made of black neoprene, it features a key drive shaft type and is sold as a single piece. Its product number is IMP-500378 and it includes an EAN code of 8051193003127.
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$ 25.66
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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.