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, with a product number of IMP-500185, is designed for optimal efficiency in water circulation systems, featuring a robust black neoprene construction and an 11-blade design. It has a diameter of 25.4 mm and a product diameter of 94 mm, with a depth of 63 mm. The impeller is equipped with a double flat drive hub and is compatible with Johnson motor brands, ensuring reliable and effective operation. The EAN code for this product is 8051193001888.
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€ 135,72
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø26xø89.75x31.3mm and featuring 6 blades, is crafted from durable neoprene for optimal performance and longevity across various applications. It is designed for Honda motors, with a product number of IMP-500391 and a black color. The impeller's precise dimensions ensure efficiency, making it a reliable choice for users.
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€ 31,30
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1-2 weeks delivery time Price incl. 19% VAT The CEF impeller, measuring ø38.82xø119.7x133mm and featuring ten blades, is designed for high performance and durability across various applications. Made from neoprene and colored black, it guarantees optimal flow and efficiency, with a product number of IMP-500172 and a spline type bore.
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€ 164,84
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller (Product Number: IMP-500258) is a high-quality, black neoprene component designed for specific drive applications, featuring an outside diameter of 39.1 mm, a depth of 18.9 mm, and six blades. It is sold as a single piece and is known for its durability and reliability, making it an optimal choice for performance. The EAN code for this product is 8051193002250.
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€ 27,56
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø6xø52x25mm and featuring six blades, is a high-quality component made from durable neoprene, ensuring efficient cooling and performance in various motor applications. Its product number is IMP-500123X, compatible with Sole motors, and it comes in black. The impeller has a pin drive shaft type and is sold as a single unit, with an EAN code of 8051193004988.
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€ 18,58
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø7.31xø50.8x22.1mm with 6 blades, is crafted from durable neoprene for enhanced performance in marine applications. Sold as a single piece (Product Number: IMP-500110), it features a black color and is designed for use with Ancor engines. The product has an EAN code of 8051193001390 and utilizes a single flat drive shaft.
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€ 14,81
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring 7.31mm in diameter and 50.8mm in overall diameter with a depth of 22.1mm, features a robust design and efficient six-blade structure, ensuring optimal fluid dynamics for enhanced system performance. Made from neoprene and presented in black, this high-performance component has a product number of IMP-500210 and is sold as a single piece. It utilizes a single flat drive opening and is identified by the EAN code 8051193002021.
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€ 17,30
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø7.31xø51.3x22mm and featuring six blades, is built for high performance and durability from neoprene material. Designed for compatibility with Johnson motors, it has a robust build and precise dimensions, making it suitable for various applications. It is sold as a single piece (Product Number: IMP-500138) and is black in color, with an EAN code of 8051193001598.
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€ 15,55
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed for high performance and durability, is an essential pumping component made from high-quality neoprene. Measuring 7.31 mm in diameter with a product diameter of 51.3 mm and a depth of 22 mm, it features six blades and is compatible with Johnson Pump motors. The product number is IMP-500238, and it is available in black. Each purchase includes one piece, and it has an EAN code of 8051193002168.
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€ 15,14
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, with a product number of IMP-500113, is a high-quality component designed for various applications and features a compact size of 8 mm in diameter and robust construction. It has a product diameter of 31.3 mm, a depth of 11.9 mm, and includes 6 blades, making it reliable and efficient. Made of black neoprene material, it is compatible with Ancor motor brands and sold as a single piece. The EAN code for this product is 8051193001406.
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€ 13,12
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, measuring ø8xø31.3x11.9mm and featuring 6 blades, is a high-quality component made from durable neoprene with a sleek black finish. Designed for optimal performance, it ensures efficiency and reliability in various applications. Key specifications include a product number of IMP-500213, a single flat drive hole type, and an EAN code of 8051193002045.
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€ 19,32
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed for Yanmar motors, measures ø8xø31.75x12mm and features 6 blades for reliable performance. Made from durable neoprene, it ensures efficient water flow and cooling in marine applications. It has a product number of IMP-500130 and an EAN code of 8051193001536. The impeller comes in black and utilizes a single flat drive shaft.
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€ 17,61
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, featuring a robust construction and efficient design, is an optimal performance component suitable for various applications. Measuring 8 mm in diameter with a product diameter of 31.75 mm and a depth of 12 mm, it consists of 6 blades and is made from durable neoprene. It is sold as a single piece (Product Number: IMP-500230) and is black in color, with a single flat drive bore type. The EAN code for this product is 8051193002120.
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€ 17,42
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, with a diameter of ø8xø44.6x13mm and featuring 6 blades, is designed for efficient fluid movement in pump systems. Made from durable neoprene and available in black, this impeller is compatible with Johnson Pump motors and ensures reliable performance across various applications. Product number IMP-500132, it is sold as a single piece and has an AS diameter of 8 mm.
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€ 16,85
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1-2 weeks delivery time Price incl. 19% VAT The CEF Impeller, designed for durability and efficiency, measures ø9.54xø39.6x18.94mm and features a robust construction with 6 blades. Ideal for water pump applications, it is made of neoprene in black, compatible with Johnson Pump motors, and sold as a single piece. Its product number is IMP-500100GX and it has an EAN code of 8720193091983.
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€ 13,84
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1-2 weeks delivery time Price incl. 19% VAT The Ancor Impeller for PM16 is engineered for enhanced performance and efficiency, featuring a precise design that optimizes fluid dynamics. With a FNI product number of 2727162, it has an inner diameter of 12.1 mm, outer diameter of 56 mm, thickness of 29.4 mm, and is equipped with 12 blades.
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€ 22,84
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1-2 weeks delivery time Price incl. 19% VAT The Impeller JAB.4528-JOHN.09-806B SHER.9979 is engineered for high performance and durability across various applications, featuring efficient airflow. It has a product number of 2727107 FNI and dimensions including an internal diameter of 9.54 mm, an external diameter of 39.6 mm, a thickness of 18.94 mm, and consists of 6 blades.
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€ 15,21
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1-2 weeks delivery time Price incl. 19% VAT The JABSCO 17935 impeller is a durable and efficient replacement designed for reliable performance in marine applications, ensuring optimal water flow and engine cooling. It features an internal diameter of 25 mm, an external diameter of 95 mm, a thickness of 63 mm, and 12 blades, with the FNI product number 09-819B 2726135.
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€ 52,45
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1-2 weeks delivery time Price incl. 19% VAT The Sherwood Impeller 18000K is a high-performance component known for its reliability and efficiency. With a robust construction and precise engineering, it features an internal diameter of 20.7 mm, an external diameter of 94.5 mm, a thickness of 101.5 mm, and 12 blades, making it suitable for various systems. The FNI Product Number is 2726182.
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€ 144,04
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1-2 weeks delivery time Price incl. 19% VAT The Impeller JAB.836-0001-JOHN.08-1029B is a high-performance component engineered for efficient fluid movement across various applications. It meets strict industrial standards, ensuring reliability and durability in challenging environments, with a product number of 2727103 FNI, an internal diameter of 25 mm, an external diameter of 95 mm, a thickness of 63.1 mm, and 9 blades.
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€ 56,64
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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.