Complete kit makes fast work of impeller changes and gets you on the water sooner 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 makes changing impellers easy by packaging kits with all the necessary parts. Each impeller, gasket and O-ring included in the kit is engineered to meet or exceed manufacturer specifications. Having a spare for unexpected failures can save the day. Key Features Parts included in the kit are engineered to meet or exceed manufacturer specifications Complete kit restores function to water pumps with damaged impellers or gaskets Includes: 12 vane (fin) impeller, gaskets and O-ringCompatible with Crusader 305, 350, and 454 cu in. engines 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.