Heavy duty water pumps have cast-iron blades and are engineered to meet OEM specifications. These pumps feature premium alloy materials, low-friction seals, and Heavy Duty Water Pumps loads. The high-capacity models have coolant-resistant bearings and are hub-pull tested to ensure proper operation. They can handle a wide range of liquid temperatures. Whether the job calls for a high-pressure pump or a low-flow pump, Dayco has what you need to keep your fleet running smoothly.