Jabsco Impeller Kit - 12 Blade - Neoprene - 3-¾" Diameter - Plastic Insert - Double Flat Drive

Upgrade your marine pump with the Jabsco Impeller Kit — a reliable, high-performance solution built for engine cooling, bilge, transfer and general-purpose pumps. This 12-blade neoprene impeller features a 3-3/4" diameter with a plastic insert and a Double Flat Drive, designed to fit a wide range of Bronze flexible impeller systems for lasting efficiency on the water.

Key specifications

• Impeller material: Neoprene
• Number of blades: 12
• Diameter: 3-3/4 inches
• Shaft width: 1 inch
• Shaft diameter: 3-9/16 inches
• Insert material: Plastic
• Drive type: Double Flat Drive
• Compatibility: Fits most bronze flexible impeller engine cooling, bilge, transfer and general-purpose pumps

Why choose this impeller kit

• Durable neoprene blades deliver flexible, reliable pumping performance under demanding marine conditions.
• Easy replacement to keep your boat’s cooling system primed and efficient. Replace annually or sooner depending on duty cycle.
• Proper maintenance extends life: grease new impellers to ease installation and protect the impeller during priming.
• Simple removal process: remove end cover screws and use a Jabsco Impeller Removal Tool or channel-lock pliers to grip the hub—avoid screwdrivers to prevent damage and leaks.
• Always carry spare impellers on board for quick, preventative maintenance and reduced downtime.

Installation & maintenance tips

• Ensure correct installation to maximize lifespan; with proper fit, impellers can last several years.
• After replacing the gasket and end cover, test the pump to ensure a secure seal and proper operation.
• Refer to your pump’s manual for exact procedures and torque specs.

Safety notice: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.