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 Volvo 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. Sierra makes sourcing impeller parts easy by packaging kits with all the necessary parts. Each kit includes an impeller and gasket. Every Sierra part 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 Parts included in the kit are engineered to meet or exceed manufacturer specifications Includes: impeller and gasket Compatible with 431A,BB231A,570A,571A,572A,740A,740B (and many others see our Engine Parts Selector to confirm this impeller is correct for your engine). Replaces Volvo 876120 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.