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 Price incl. 19% VAT The CEF Impeller, measuring ø12.7xø58.5x21.5mm with 10 blades, is a high-quality component made from durable neoprene, designed for optimal performance in various outboard motor brands including OMC and Johnson Evinrude. With a product number of IMP-500394 and an EAN code of 8051193003257, this black impeller offers reliability and efficiency in marine applications, ensuring effective water propulsion.
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€ 13,40
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller (Product Number: IMP-500363) is a high-performance marine engine component designed for optimal water flow and cooling efficiency. It features a black neoprene construction with a diameter of 53 mm, a depth of 14 mm, and six blades. This key drive impeller is compatible with Yamaha engines and comes packaged as a single piece (EAN Code: 8051193002977).
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€ 16,52
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1-2 weeks delivery time Price incl. 19% VAT The CEF impeller, measuring ø12.85 mm x ø57 mm x 14.8 mm and featuring six precisely engineered blades, is designed for optimal performance in fluid dynamics, ensuring efficient flow and enhanced operation across various applications. Its product number is IMP-500334, and it has an EAN code of 8051193002717.
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€ 15,74
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller (Product Number: IMP-500121GX) is a black, neoprene component measuring ø12mm in diameter, ø39.6mm in product diameter, and 19.2mm in depth. Designed for optimal performance and reliability, it features 6 blades and a pin drive shaft hole, ensuring efficient water movement and compatibility with Johnson Pump motors. Each unit is sold individually and carries an EAN code of 8720193037387.
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€ 14,65
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø12xø40x18mm and featuring six blades, is designed for optimal performance in marine engines, particularly compatible with Tohatsu motors. Made from durable neoprene, this black impeller (Product Number: IMP-500344) ensures efficient operation, making it a reliable choice for enhancing engine performance.
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€ 15,92
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1-2 weeks delivery time Price incl. 19% VAT The CEF impeller, measuring ø12xø41x14mm and featuring 6 blades, is designed for optimal performance in marine applications. Constructed from durable neoprene and colored black, it fits a range of motors, including those from Johnson Evinrude and OMC, with a key drive shaft. The product number is IMP-500396, and it is sold as a single piece.
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€ 12,60
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed for Honda engines, measures ø13.15xø41x23mm and features 8 precision-engineered blades for optimal water flow and enhanced cooling capabilities. Made from durable neoprene and available in black, it has a single flat drive shaft. The product number is IMP-500327, and it is sold as a single piece, with an EAN code of 8051193002656.
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€ 14,59
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø13.15xø41x28.55mm with 6 blades, is designed for optimal performance in various watercraft applications. Made of durable neoprene material, it features a robust design that ensures longevity and efficiency. This black impeller, suitable for Honda motors, has a product number of IMP-500328 and an EAN code of 8051193002663.
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€ 15,32
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, with product number IMP-500329, is a high-performance component designed for watercraft, featuring a robust black neoprene construction. It measures 13.2 mm in diameter and 39.3 mm in product diameter, with a depth of 22 mm and six blades. This key drive hub impeller is specifically compatible with Suzuki motor brands and is sold as a single piece, making it an ideal choice for enhancing durability and performance. Its EAN code is 8051193002670.
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€ 16,34
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1-2 weeks delivery time Price incl. 19% VAT The CEF impeller, measuring ø13.42xø57.18x50.25mm, features a robust design made of durable neoprene, ensuring longevity and efficiency for various applications. With 10 blades, a double flat drive shaft, and a black color, it comes with a product number of IMP-500157 and an EAN code of 8051193001697, sold as a single piece.
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€ 31,48
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø13.97mm x ø40.8mm x 23.4mm and featuring 8 blades, is a high-quality component crafted from neoprene for reliable performance in diverse applications. With a product number of IMP-500383, this black impeller is designed for optimal efficiency and is compatible with Tohatsu motors, using a key drive shaft. It comes in a single piece and has an EAN code of 8051193003165.
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€ 16,91
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø13.97xø51.2x19.05mm with 6 blades, is designed for optimal performance and reliability, making it an excellent choice for Yamaha motors. Constructed from high-quality neoprene and available in black, this component features a key drive hole type and is sold as a single piece (Product Number: IMP-500384, EAN Code: 8051193003172).
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€ 21,53
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller (IMP-500320) is a durable and efficient component designed for marine engines, featuring a black neoprene construction with a 40 mm diameter and 22 mm depth, equipped with 6 blades. This versatile impeller, compatible with Mercruiser, Mercury, and Mariner engines, ensures optimal performance and reliability. It has a 13 mm bore diameter and utilizes a key drive hub. The product is sold as a single piece and comes with an EAN code: 8051193002588.
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€ 16,10
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed specifically for Honda motors, features a durable neoprene construction and measures ø13xø45.6x14.8mm with six blades. It has a product number of IMP-500347, is sold as a single piece, and includes a key drive type shaft. The impeller is black in color and has an EAN code of 8051193002823.
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€ 17,90
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller (IMP-500318) is a high-performance marine component designed for efficiency, featuring a robust neoprene construction with dimensions of ø13xø58.8x11.7mm and six blades. It is compatible with Mariner and Mercruiser motors, and includes a key drive mounting hole. The product is sold individually and comes in black. The EAN code for this impeller is 8051193002564.
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€ 18,36
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed for Honda motors, features a robust construction and efficient performance. Made from high-quality neoprene, it has an inner diameter of 14.1mm, an outer diameter of 41mm, and a depth of 28.55mm. This black impeller has 6 blades, uses a key drive type shaft, and comes with the product number IMP-500343 and EAN code 8051193002786.
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€ 17,53
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø14.29xø57.15x48.25mm and featuring 12 blades, is designed for optimal performance and durability in various applications that require efficient water movement. Made of neoprene and available in black, it has a product number of IMP-500150, an EAN code of 8051193001642, and a spline type hole. Each sales unit consists of one piece.
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€ 34,20
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed for optimal performance and durability, features a unique construction and high-quality neoprene material. Measuring 14.29mm in shaft diameter and 57mm in product diameter with a depth of 31.6mm, it boasts 12 blades and is compatible with Johnson Pump engines. This black impeller, sold as a single piece under product number IMP-500107GT, ensures efficient operation and longevity.
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€ 19,79
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø14.29xø57x48.2mm with 12 blades, is designed for efficiency and durability, ensuring optimal performance for your pump system. Made from robust neoprene material in black, it features a product number of IMP-500124, and is compatible with Johnson Pump motors. It has an EAN code of 8051193001499 and comes as a single piece sales unit.
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€ 23,01
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø14.29mm x ø58.65mm x 36.65mm, features a robust design with 8 blades, making it ideal for enhancing machinery performance. Made of black neoprene, it has a spline center hole, a product number of IMP-500155, and an EAN code of 8051193001673, sold as a single piece.
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€ 33,43
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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.