Jabsco 432100001 Mercusier Cooling Pump Jabsco 432100001 Mercusier Cooling Pump SKU: ITT 432100001 Replacement for stock cast-iron, plastic and aluminum composite water pumps. Made of bronze and stainless steel, this pump withstands harsh, corrosive marine environments. 1 piece body makes occasional impeller or seal replacement easy. Includes replaceable cam and wearplate so that pump can be overhauled to like new condition. Body: Bronze, One-piece Impeller: Jabsco Neoprene Shaft: Stainless Steel Ports: 1-1/4" Hose Barb Seal: Lip Type Bearings: Sealed Ball Type Left or Right Hand Rotation. Bronze end plate. Replaceable cam and wearplate.