GMB OE Replacement Water Pumps are cast-iron, precision-built and balanced water pumps 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. The GMB brand is recognized globally for offering the finest automotive parts available.