The OTR 12-Groove Pulley Water Pump is designed to meet or exceed OEM specifications for Cummins applications. This water pump features a 12-Groove pulley for improved performance and reliability. The surface thickness and porosity test ensures that the pump is of the highest quality and will provide long-lasting performance. This water pump is the perfect choice for Cummins applications and will provide reliable and efficient operation. FleetPride is your First Click in Heavy Duty®.