Dorman 902-611 Coolant Heat Storage Tank Pump

Overview of Dorman Coolant Heat Storage Tank Pump 902-611

The Dorman 902-611 coolant heat storage tank pump is designed specifically for Toyota Prius models, providing reliable auxiliary water pump performance. Engineered with durable materials and precise dimensions, this pump supports efficient coolant circulation to maintain optimal engine temperature.

• Constructed with a combination of plastic and steel for durability
• Black color finish for corrosion resistance
• Single mounting hole with a diameter of 0.25 inches for secure installation
• Inlet and outlet pipe diameters both measure 0.53 inches
• Clockwise rotation to match Toyota Prius cooling system requirements
• Compact depth of 6.8 inches for easy fitment
• Does not include gasket, pulley, or shaft
• Package contains one auxiliary water pump

Detailed Product Description

The Dorman 902-611 coolant heat storage tank pump is engineered to meet the specific cooling needs of Toyota Prius vehicles. Its plastic and steel construction balances lightweight design with structural strength, ensuring long-lasting operation under typical engine conditions. The pump’s black finish helps resist corrosion, extending its service life. With a single mounting hole sized at 0.25 inches, installation is straightforward and secure. Both the inlet and outlet pipes have a diameter of 0.53 inches, compatible with the Prius cooling system hoses. The pump rotates clockwise, matching the original equipment specifications for proper coolant flow. Its depth of 6.8 inches allows it to fit neatly within the engine compartment without interference.

Common Applications and Issues Addressed

• Replacement of faulty or worn auxiliary water pumps in Toyota Prius models
• Resolving coolant circulation problems that cause engine overheating
• Addressing coolant leaks related to pump housing or connections
• Improving heater performance by ensuring proper coolant flow
• Eliminating unusual noises caused by failing pump components

Installation Notes and Tips

When installing the Dorman 902-611 coolant heat storage tank pump, ensure the mounting hole aligns precisely with the vehicle’s bracket using the 0.25-inch diameter hole. Verify that the inlet and outlet hoses fit securely over the 0.53-inch pipe diameters to prevent leaks. Since the pump does not include a gasket or seal, use the original or a compatible replacement to maintain a proper seal. Confirm the pump’s clockwise rotation matches the vehicle’s system before finalizing installation. Proper torque on mounting hardware is recommended to avoid damage or loosening during operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 902-611 coolant heat storage tank pump undergoes quality inspections to verify material integrity and dimensional accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms related to this part.