Gates 41502E Engine Auxiliary Water Pump - Heater

Gates Electric Water Pump for Prius Cooling

The Gates 41502E is an engine auxiliary electric water pump built for the Toyota Prius heater circuit. It uses a plastic housing and plastic impeller with reverse rotation to restore proper coolant circulation in electric auxiliary inverter applications.

Gates Water Pump (Electric) components are part of a product line focused on OE-style electric cooling solutions for modern vehicles. This Gates electric water pump is engineered for durable operation and OE performance in applications where electric coolant flow is required.

Key Features

• Engine auxiliary water pump with electric drive style
• Plastic housing and plastic impeller construction
• Reverse impeller rotation
• Single outlet design
• No back housing included
• No pulley included and no fan clutch included
• OE performance rating for factory-style operation

Detailed Description

Gates part number 41502E is an electric engine auxiliary water pump for the 2004-2009 Toyota Prius, heater position. It is built to support coolant movement in the auxiliary inverter system, helping maintain proper heating and cooling performance in the Prius hybrid platform. This part cross-references Dorman - OE Solutions 902-610 for the same application.

Compatible With 2004-2009 Toyota Prius, heater. Use Gates 41502E when replacing a worn or failed electric auxiliary water pump in Prius cooling system service.

Common Problems This Part Can Address

• Loss of coolant circulation through the auxiliary heater circuit
• Reduced cabin heat output
• Electric pump noise or intermittent operation
• Cooling system performance issues related to pump wear
• Hybrid inverter or auxiliary cooling flow concerns tied to pump failure

Installation Notes and Tips

Verify the vehicle year, heater position, and connector routing before installation. Confirm the replacement pump matches the reverse-rotation electric design and single-outlet configuration. Inspect coolant condition, hoses, and electrical connections during service to help prevent repeat failures.

Quality Assurance

Gates manufactures this electric water pump using premium materials for consistent operation under demanding driving conditions. The 41502E is built to OE performance expectations and is intended to restore proper cooling and heating system function in the Toyota Prius.