Factory sealed, precision ground, one piece bearing assemblyHigh-flow design for long-lasting, efficient coolingDesigned for Original Equipment (OE) fit and performancePrecision-ground shaft and hub accept OE fan clutches perfectlyUnique no-sealant required gasket makes installation fast, easy and leak-freeDesigned for OE fit and performanceUnique no-sealant required, gasket makes installation fast, easy and leak-freeGMB OE Replacement Water Pumps are precision-built and balanced, made out of either aluminum or cast-iron, that meet or exceed original equipment specifications. GMB is one of the world's largest designers and producers of automotive products for most European, Asian and domestic built vehicles. GMB products are engineered and built utilizing the strictest design and manufacturing guidelines, with the finest quality assured through ISO 9002 programs.