Water Pump 400, 430, 455 Buick Big Block

This is a brand new water pump and fits all 1967-1976 Buicks below with 400,430,455 Big Block Engines:Buick GS 455Skylark 1967-1972Centurion 1971-1973 Lesabre 1970-1976Riviera 1967-1976Estate Wagon 1970-1976Sport Wagon High flow design provides long lasting, efficient coolingFactory lubricated for long lifeEasy InstallationPrecision ground shaft and hub accept OE fan clutches perfectlyOE quality forged housing is specially formed to ensure maximum coolant flowPrecision built and balanced - Pressed on impeller increases water flowUnitized seal protects bearings - Provides long life and leak free performanceFactory sealed, precision ground one piece bearing assemblyNOTE: It is recommended to replace your Radiator Fan Clutch & Water Pump at the same time. The two parts age at the same rate so if one has failed, the other is probably not far behind. The fan clutch and water pump are also connected by the same shaft. When one part fails it typically affects the operation of the other. T