Take a long a spare for unexpected failures Impellers are the heart of an engines cooling system. Running through silty or sandy water or running a pump dry can ruin an impeller quickly and cause the engine to overheat. Sierra engineers their replacement impellers to meet or exceed OEM specifications. Boaters and technicians can be assured that a Sierra impeller will fit right and restore function to manufacturer specifications. Having a spare for unexpected failures can save the day. Key Features Impeller is engineered to meet or exceed manufacturer specifications Having a spare can save the afternoon and saves having to make a trip to the parts store. The Sierra Engine Parts Selector In addition to impeller kits, 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.ApplicationOEM Part NumberChrysler/Force/US Marine47-19453Mallory9-45301, 9-45301-10Mercury Marine47-19453, 47-19453T