12 Blade Neoprene Impeller | Johnson Pump 09-820B

12-Blade Neoprene Impeller for Johnson Pump 09-820B

 Precision-engineered impeller assembly designed for marine centrifugal pump applications requiring reliable fluid circulation and thermal management. The 12-blade configuration delivers optimized volumetric flow rates and pressure characteristics across standard operating ranges. Specifications: - 12-blade impeller geometry - Neoprene elastomer construction for corrosion and cavitation resistance - 3.74 in. outer diameter - 5.12 in. axial width - Spline-drive shaft coupling Direct OEM replacement for Johnson Pump 09-820B units. Neoprene material provides extended service life in saltwater and brackish environments while maintaining dimensional stability and elasticity under thermal cycling. Suitable for raw-water cooling systems, bilge pumps, and auxiliary circulation applications on marine propulsion and auxiliary equipment.

• 12 Blades
• Neoprene constructiion
• 3.74 in. diameter
• 5.12 in. width
• Spline drive type