Used by premier marine engine manufacturers including Volvo Penta, Westerbeke, Yanmar and MAN, Johnson Pump is a leading provider of cooling pumps to OEMs worldwide. The pumps feature bronze housings, flexible impellers and different port sizes that satisfy a variety of cooling needs with flows between 3 and 165 g.p.m. Pumps are available as flange or pedestal mounts, they can be pulley or crank-driven and handle up to 5,000 rpm.