Cardone 5W-2002 Engine Auxiliary Water Pump - Heater

Engine Auxiliary Water Pump for Prius

Restore coolant circulation with this Cardone Engine Auxiliary Water Pump, part number 5W-2002. It is a new auxiliary coolant pump built with upgraded internal components to improve durability, reduce friction, and help maintain consistent flow in the heater circuit.

Compatible with 2004-2009 Toyota Prius heater applications, this Cardone 5W-2002 auxiliary water pump is built for direct replacement use where the original electric coolant pump has worn out or begun to leak.

Key Features

• Brand-new auxiliary coolant pump with 1 connector and pin/male terminal configuration
• Upgraded resin-impregnated bearings to reduce friction and extend service life
• Improved rubber sealant to help prevent coolant leaks
• 100% functionality tested for performance and reliability
• Mounting bracket included for OE-style installation
• Metal, plastic, and rubber construction
• Inlet and outlet pipe diameters measure 0.515 in.

Product Details

Cardone’s Engine Auxiliary Water Pump line focuses on replacement coolant pumps that address common wear points found in electric auxiliary systems. The 5W-2002 uses upgraded bearings and sealing materials compared with OE hardware, and it is tested under varied conditions to verify real-world operation. For Toyota Prius owners searching for a heater auxiliary water pump replacement, this unit provides a direct-fit solution for the 2004-2009 Toyota Prius, heater position.

This part cross-references Toyota 8720047030 for the same application.

Common Problems This Part Can Help Solve

• Weak or inconsistent heater coolant circulation
• Coolant leakage from a worn auxiliary pump seal
• Noisy operation from failing pump bearings
• Reduced heater performance in a Toyota Prius
• Warning lights or drivability issues related to auxiliary coolant pump failure

Installation Notes

Verify connector style, terminal count, and inlet/outlet dimensions before installation. This Cardone 5W-2002 auxiliary water pump uses a pin/male connector with two terminals and a two-hole mounting pattern, so matching the OE layout is important for proper fitment. Confirm the heater-position application on 2004-2009 Toyota Prius models before replacing the original unit.

Quality Assurance

Each Cardone auxiliary coolant pump is 100% functionality tested before release. The upgraded bearing and seal design supports long-term reliability, and the product line is backed by a limited lifetime warranty.