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JABSCO nitrile impeller kit with twelve blades and brass insert

JABSCO

JABSCO Impeller Kit Nitrile 12 Blade 5929

SKU CH-SE9V-CVGBS

Nitrile 12-blade impeller kit fits Jabsco and compatible bronze flexible-impeller pumps for cooling, bilge and transfer duties

  • Nitrile construction resists oil and fuel degradation
  • 12-blade design maintains steady coolant flow
  • Brass insert provides secure keyway engagement
  • Kit includes all parts for direct replacement
  • 5929 part number ensures correct pump fit

Impeller Kit for Marine Pumps

The JABSCO 5929 kit supplies a nitrile impeller with 12 blades designed for flexible impeller pumps used in engine cooling, bilge, transfer and general-purpose marine applications. It fits pumps that accept a 2-1/4 inch diameter by 1-1/4 inch width impeller with a keyway drive and brass insert.

Thermal and Power Behaviour

The nitrile material resists heat generated by continuous pump operation and maintains flexibility across typical marine temperature ranges. Mechanical drive through the keyway ensures consistent torque transfer without electrical power draw or noise from the impeller itself.

Shaft and Drive Compatibility

The impeller requires a 1/2 inch shaft width and 1-1/4 inch shaft diameter with a Ding Drive keyway profile. Pumps with different shaft dimensions, spline drives or non-keyway interfaces cannot use this kit.

Highlights

  • Nitrile construction resists oil and fuel degradation
  • 12-blade design maintains steady coolant flow
  • Brass insert provides secure keyway engagement
  • Kit includes all parts for direct replacement
  • 5929 part number ensures correct pump fit

Specifications

BrandJABSCO

Questions about this item

How do I install the JABSCO 5929 impeller kit and what is the common mistake to avoid?

Remove the end cover screws, then grip the hub with a Jabsco removal tool or channel-lock pliers to pull the old impeller out. Never use screwdrivers; they can damage the pump face and cause leaks.

What maintenance schedule does the 12-blade nitrile impeller require?

Replace the impeller at least once every year, or sooner depending on engine duty. Always carry a spare on board for emergency replacement.

What is the first limit that appears when the 2-1/4 inch diameter impeller runs under sustained use?

The nitrile blades gradually wear and lose flexibility, reducing flow until cooling or transfer performance drops and the impeller must be replaced.

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