Rebuild kit for plastic body sea water pumps on Alpha drives For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders to a point of supplying them with OEM parts. Boaters and technicians can be assured a Sierra part will fit right the first time and restore function to OEM specifications. Sierra water pump kits include all you will need to rebuild a sea water pump. An impeller, a wear plate and the required O-rings and associated fasteners make the task to rebuilding the water pump straightforward. We recommend having a spare impeller (Sierra part no. 18-3056) onboard to be prepared in the event of a failure caused by debris or system blockage. Key Features Meets or exceeds manufacturer specifications Complete kit provides all you will need to rebuild water pump Compatible with MerCruiser Alpha I generation II drives with serial no. D494569 and aboveFits Honda BF70 and BF90 outboards from 1996-1998 Backed by SeaStar Solutions Limited Two-Year Warranty The Sierra Engine Parts Selector In addition to carb 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 NumberGLM12042Honda Outboard19021-ZW1-003Mallory9-48313Mercury Marine47-43026T11, 47-43026T8, 47-43026T6, 47-43026T7, 47-43026T10, 47-43026Q5, 47-43026Q5, 47-8M0100526, 47-43026T9