Johnson Pumps 09-1028B-9 F7B Nitrile Flexible Impeller for F7 Series Pumps

The Johnson Pumps 09-1028B-9 is a genuine OEM replacement flexible impeller designed specifically for Johnson Pump F7 series flexible impeller pumps. Constructed from oil-resistant nitrile rubber, this impeller is engineered for applications where exposure to oils, fuels, or petroleum-based fluids is a concern, making it an ideal choice for raw-water cooling and fluid transfer in marine engines and equipment.

A worn or failing impeller can lead to inadequate fluid circulation, overheating, and potential system or engine failure. Replacing the impeller at regular service intervals — typically once per year — is one of the most important steps in maintaining a reliable cooling system. Using a genuine Johnson Pump impeller ensures a precise fit and meets the quality standards required by engine manufacturers and marine service professionals.

Key Features:

• Pump Compatibility: Fits Johnson Pump F7 / F7B series flexible impeller pumps
• Material: Nitrile rubber — oil-resistant formulation
• Outer Diameter: 2.56"
• Inner Diameter: Splined bore
• Width: 1.98"
• Number of Blades: 8
• Minimized swelling for consistent performance and long service life
• Cross-Reference: Replaces Jabsco 17937-0003
• UPC: 7330717000066

This is a genuine SPX Johnson Pump brand impeller — the same quality trusted by engine manufacturers and marine professionals worldwide. Keep one on board as a spare to ensure you're never caught unprepared on the water.