Great for seasonal maintenance and to have as a spare for unexpected failures. Impellers are the heart of an engines cooling system. Regular inspection and replacement of the impeller keep your Suzukis cooling system running in top form. Running through silty or sandy water or running a pump dry can quickly ruin an impeller and cause the engine to overheat.Every Sierra impeller is engineered to meet or exceed manufacturers specifications to ensure boaters and technicians of fit and function. Having a spare kit can save the day in the event of an unexpected failure. Key Features Impeller engineered to meet or exceed manufacturer specifications to ensure fit and function Fits: 2 Stroke DT115 (1981-01), DT140 (1981-01), DT150(1986-01), DT200(1986-00) Sierra Part Number 18-3023 Application Table ApplicationOEM Part NumberMallory9-45503Suzuki Outboard17461-94506, 17461-94520, 17461-94511, 17461-94510, 17461-94505, 17461-94505, 17461-90J00, 17461-94500, 17461-94504, 17461-94501, 17461-94503, 17461-94502, 17461-90J01The Sierra Engine Parts SelectorIn addition to impellers, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see ourEngine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.