Jabsco Impeller Kit - 12 Blade - Neoprene - 3-¾

Jabsco 12‑blade neoprene impeller kit for bronze flexible impeller pumps, designed for cooling, bilge, transfer, and general‑purpose applications. With neoprene blades and a brass insert, this 12‑blade, spline‑drive impeller delivers steady flow and long service life, sized for 3-3/4" diameter shafts (shaft width 1", shaft diameter 3-9/16").

• Blade Material: Neoprene blades provide flexibility and durability for steady flow.
• Number of Blades: 12 blades ensure balanced, consistent pumping across operation.
• Dimensions: 3-3/4" diameter; shaft width 1"; shaft diameter 3-9/16".
• Drive Type: Spline drive for secure engagement with compatible pumps.
• Insert Material: Brass insert reinforces the hub for lasting performance.
• Compatibility: Fits most bronze flexible impeller engine cooling, bilge, transfer and general-purpose pumps.
• Brand & Part: Jabsco; Part No: 17936-0001-P.
• Quality & Longevity: Jabsco flexible impellers undergo rigorous quality processes to ensure reliable, efficient, and long-lasting performance.
• Maintenance Guidance: Replace impellers at least once every year, or sooner with higher engine duty; grease new impellers during installation.
• Safety Notice: WARNING: 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.

The kit supports dependable cooling system performance by delivering a steady, efficient flow even under varying engine loads. The neoprene blade design offers durability and resilience in a range of temperatures, while the brass insert provides a robust hub that resists wear over time. Installation is straightforward: remove end cover screws and use the Jabsco Impeller Removal Tool or channel-lock pliers to grip the hub; grease the blades during installation to protect during the initial prime. For ongoing reliability, follow a preventive maintenance schedule and keep a spare impeller onboard for emergencies, ensuring you’re prepared to keep your system primed and pumping.