Talulah Ballast Pump ImpellerA worn or damaged impeller can cause system failure or engine breakdown. SPX FLOW's Johnson Pump Marine brand impellers are developed and manufactured for maximum flow and long life. With a genuine spare impeller, you can also be sure that you are getting the quality required by engine manufacturers and professionals.Features:Fitted specifically for the Johnson Pump Talulah Ballast Pump - 13.5 GPM - 12VEnsures the correct cooling flowStable pressure delivery over timeSignificantly longer service lifeExcellent self-priming capabilityEnsures sufficient cooling directly at startupImpellers are manufactured to strict tolerances for optimal functionality unique MC97 rubber compound in many of the Johnson Pump impellersOptimized to provide maximum life, especially for applications where the end user doesn’t run the engine on a regular basis Attributing factors for the maximum life use: Stable pressure delivery over time, minimized failures due to fatigue, and minimized swelling*Sold as an Individual