Flexible Impeller Black Splined Impeller for Marine Diesel Engine Pump

This engine part is a marine diesel engine compatible pump impeller designed to match part numbers 129470-42530 and 129470-42531 for the correct application fit. Built as a pumping device impeller, it helps support pump operation by working with the pump assembly to move fluid through the mechanism. Made from black flexible material, this flexible impeller features multiple evenly spaced blades around the circumference for a defined, practical shape. The round center opening includes a gold-colored splined inner hub, giving the splined impeller a distinctive connection point for compatible use. As a blade impeller for Yanmar pump applications, it is intended to serve as a replacement-style part for matching equipment needs.