New impeller water pump for Mercury Mercruiser 4.3, 5.0, 5.7, 6.2 New all-bronze water pump for Mercruiser engines Used on many 4.3, 5.0, 5.7, 6.2 engines All-bronze metal body with stainless steel shaft. Replaces plastic body pumps Ready to install (impeller included) Replaces OEM 46-862914T10, 46862914T10