Made by Jabsco. Bracket mount 1 1/4" pump. Flow rate: Nominal 27 Litres/min (20 US gallons/min) at 1500rpm. Self-priming from dry up to 2.4m (7.8ft). Constructed from marine quality bronze and stainless steel for ruggedness and reliability. Easy to service and maintain. Engine cooling pump replaces Quicksilver Model 46-72774 A32 on Mercruiser Engines It can be installed with either the cast iron (clamp type) mounting bracket or the stamped steel (bolt attachment type) mounting bracket. It will fit either left-hand or right-hand rotation engines and will accept all stock MerCruiser drive pulleys.