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 Allpa 500101 Jabsco/Nanni impeller is designed for outboard engines, featuring six blades and including a gasket and screw for easy installation; it measures Ø A 12.17 mm, Ø B 50.8 mm, and C 22.1 mm.
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$ 21,38
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1-2 weeks delivery time Allpa 500146 is an outboard Jabsco/Vetus impeller equipped with ten blades, delivering reliable water pump performance and including the necessary screw for mounting.
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$ 35,38
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1-2 weeks delivery time The Allpa 500116 Jabsco/Vetus impeller has six blades suitable for outboard engines and comes supplied with both gasket and screw for convenient installation.
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$ 21,16
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1-2 weeks delivery time Allpa 500107 Jabsco/Vetus impeller features twelve blades for enhanced water flow and includes a gasket and cap for secure fitting on outboard engines; its dimensions are Ø A 14.29 mm, Ø B 57 mm, and C 31.6 mm.
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$ 27,81
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1-2 weeks delivery time The Allpa 500114 Jabsco/Vetus impeller is equipped with ten blades, designed for optimal water pump performance, comes with a cap, and measures Ø A 14.29 mm, Ø B 65 mm, and C 50.1 mm.
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$ 32,03
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1-2 weeks delivery time Allpa 500106 is an 8-blade impeller that comes with a gasket and cap, designed for reliable use in outboard applications, with specific dimensions of Ø A 14.29 mm, Ø B 65 mm, and C 50.2 mm.
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$ 31,87
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1-2 weeks delivery time Allpa 500145 features 12 blades and includes a gasket and cap, tailored for outboard engines, measuring Ø A 22.5 mm, Ø B 95 mm, and C 88.5 mm.
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$ 100,27
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1-2 weeks delivery time Allpa 500105 is a 9-blade impeller supplied with gasket and cap for outboard motors, having dimensions of Ø A 22.5 mm, Ø B 96 mm, and C 63.1 mm.
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$ 70,70
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1-2 weeks delivery time Allpa 500121, designed for outboard motors, has 6 wings and comes with a gasket and screw, with measurements of Ø A 12 mm, Ø W 39.3 mm, and C 19.2 mm.
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$ 20,59
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1-2 weeks delivery time Allpa 500103 is a 12-blade impeller suitable for outboard engines, including a gasket and cap, with Ø A 15.9 mm, Ø B 62 mm, and C 31.7 mm.
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$ 41,41
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1-2 weeks delivery time Allpa 500120 is designed for Yamaha outboards, featuring 12 blades and including a gasket and cap, with dimensions Ø A 15.9 mm, Ø B 65.2 mm, and C 41.3 mm.
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$ 49,29
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1-2 weeks delivery time Allpa 500161 fits outboard engines with 10 blades and larger dimensions for efficient pumping, compatible with Yanmar models, measuring Ø A 14.29 mm, Ø B 65 mm, and C 68.2 mm.
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$ 43,02
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1-2 weeks delivery time Allpa 500100 is a 6-blade impeller with compact dimensions, supplied with gasket and screw, ideal for Jabsco, Yanmar, and Vetus outboard engines, sized Ø A 9.54 mm, Ø B 39.6 mm, and C 18.94 mm.
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$ 19,78
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1-2 weeks delivery time Allpa 500129, with 6 blades and mid-sized dimensions, suits outboard motors from Jabsco, Yanmar, and Vetus, ensuring smooth operation, with Ø A 12.75 mm, Ø B 50.8 mm, and C 22.1 mm.
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$ 21,48
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1-2 weeks delivery time Allpa 500124 includes 12 blades and is designed for Jabsco, Yanmar, and Yamaha outboards, providing reliable water circulation with dimensions Ø A 14.29 mm, Ø B 57 mm, and C 48.2 mm.
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$ 29,38
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1-2 weeks delivery time Allpa 500319 is a 6-blade impeller for Suzuki outboards, compatible with OEM numbers 17461-92D01, 17461-93901, and 17461-93903, measuring Ø A 12.2 mm, Ø B 42 mm, and C 20 mm.
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$ 19,82
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1-2 weeks delivery time Allpa 500329 is designed for Suzuki outboards with six blades, fitting OEM 17461-93902, with dimensions Ø A 13.2 mm, Ø B 39.3 mm, and C 22 mm.
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$ 22,31
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1-2 weeks delivery time Allpa 500398 is a Suzuki outboard impeller with six blades and larger measurements, suitable for OEM 17461-93001 and 17461-93004, sized Ø A 15.25 mm, Ø B 70.5 mm, and C 12.1 mm.
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$ 24,83
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1-2 weeks delivery time Allpa 500362, designed for Suzuki outboards, has six blades and includes a gasket, fitting OEM 17461-96301, with Ø A 17.1 mm, Ø B 67 mm, and C 16.5 mm.
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$ 33,02
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1-2 weeks delivery time Allpa 500361 suits Suzuki outboards with six blades and specific dimensions Ø A 17.1 mm, Ø B 67 mm, and C 19 mm, matching OEM 17461-94700.
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$ 32,24
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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.