Item #870967

Jabsco Impeller - 4528-0003-P

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Jabsco Impeller - 4528-0003-P

Item # 870967


Package Includes:

  • Impeller
  • Gasket
  • Pin
  • Lube

Jabsco Pump Applications:

  • Use Nitrile Impellers for bilge pumping, and for transfer duties where the water is heavily contaminated, for example by oil or diesel
  • Jabsco 2760-0003 Pump
  • Jabsco 4530-0003 Pump


  • Nitrile
  • 6 blades
  • Diameter: 1 9/16" (40 mm)
  • Width: 3/4" (19 mm)
  • Shaft Diameter: 3/8" (9.5 mm)
  • Insert: Brass
  • Shaft Type: #1 Slotted shaft pin drive or #2 Through hole pin drive

Jabsco flexible impellers can be fitted to most makes and models of bronze flexible impeller engine cooling, bilge, transfer, and general purpose pumps. Jabsco flexible impellers are subjected to rigorous quality processes to ensure reliable, efficient and long lasting performance.

Replace all impellers at least once every year, or sooner, depending on engine duty. When the installation is correct an impeller may last for several years, but it is always advisable to stick to a schedule of preventive, rather than corrective, maintenance.

Replacing impellers is easy. By removing the end cover screws, it is possible to remove the impeller by using either a hub of the impeller. Do not use screwdrivers as they may damage the face of the pump body, causing leaks, and they can be dangerous in confined spaces.

Always carry spare impellers on board in case of emergency. The impeller is one of the most vital components of the engine cooling system and should always be treated as such.

Always grease new impellers. Firstly, it makes it easier to install the impeller into the pump bore, and secondly it gives added protection to the impeller during initial prime. After replacing the gasket and end cover the pump is ready to use.

Installation Instructions (2.57 MB)


This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.

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Part Numbers for Jabsco Impeller - 4528-0003-P

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