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Impeller

(25 products)

Impellers are key components in many maritime applications – whether in cooling water pumps, bilge pumps, or boat engines. They ensure consistent water circulation and thus the cooling and safe operation of your engine. In the awn online shop, you'll find suitable impellers for various applications and engine types.

  • What is an impeller?

    An impeller is a rotationally symmetrical paddle wheel that rotates within a housing to pump fluids. It is often used in water pumps on boats. The impeller is made of a flexible material and adapts to the pump housing as it rotates. This creates a constant flow rate—important for cooling and bilge systems on board.

  • High-quality materials for a long service life

    Modern impellers are usually made of nitrile rubber (NBR), which is characterized by its high resistance to saltwater, oil, and fuels. Compared to neoprene, nitrile is more robust and durable—ideal for continuous use at sea. Nevertheless, it is recommended to replace the impeller at least once a year.

  • Spare impeller always on board

    A defective impeller can quickly lead to engine damage if the cooling system fails. Therefore, always carry a spare impeller. When selecting a replacement, pay attention to the exact specifications of your engine – the manufacturer, model, and serial number are crucial for choosing the right size and design.

  • Easy change with the right tool

    For a quick and clean replacement, we recommend a special puller tool that allows you to remove the old impeller without causing any damage. You can also find suitable seals and lubricants for installation in our accessories range.