Bosch 0392020073 Heater Water Pump

Overview of Bosch Engine Auxiliary Water Pump 0392020073

The Bosch Engine Auxiliary Water Pump 0392020073 is designed to support the cooling system in select Audi, Porsche, and Volkswagen vehicles. This heater water pump ensures efficient coolant circulation, contributing to optimal engine temperature management in models such as the Audi A3 Quattro and Porsche Cayenne.

• Compatible with Audi, Porsche, and Volkswagen vehicles including A3 Quattro, Q7, R8, and Golf
• Part of the Bosch Engine Auxiliary Water Pump product line
• Heater water pump designed for auxiliary coolant circulation
• Single unit per vehicle application
• GTIN: 03165143111321 for precise identification

About the Bosch Engine Auxiliary Water Pump Product Line

The Engine Auxiliary Water Pump line by Bosch focuses on components that assist the primary cooling system by circulating coolant through the heater core and other auxiliary circuits. This pump model 0392020073 is engineered to maintain consistent coolant flow, which helps regulate cabin heating and engine temperature in vehicles equipped with complex cooling systems, such as the Volkswagen Passat and Porsche Cayenne.

Detailed Product Description

The Bosch 0392020073 heater water pump is a critical component in the cooling system of various Audi, Porsche, and Volkswagen models. It operates as an auxiliary pump to support the main water pump by circulating coolant through the heater core, ensuring efficient heat transfer and preventing engine overheating. This pump is designed for durability and precise fitment, with one unit required per vehicle. It is compatible with a range of models including the Audi A6 Quattro, Volkswagen Touareg, and Porsche R8, making it a versatile replacement part for maintaining proper engine auxiliary cooling function.

Common Applications and Issues Addressed

• Restores proper coolant circulation in the heater core
• Prevents engine overheating caused by auxiliary pump failure
• Improves cabin heating performance in cold weather
• Eliminates coolant leaks associated with worn auxiliary pumps
• Supports overall engine temperature regulation in complex cooling systems

Installation Notes and Tips

Installation of the Bosch 0392020073 heater water pump should be performed by a qualified technician familiar with the cooling systems of Audi, Porsche, and Volkswagen vehicles. Ensure the cooling system is depressurized before removal. Verify compatibility with the specific vehicle model and engine type. Replace any worn gaskets or seals during installation to prevent leaks. After installation, bleed the cooling system to remove air pockets and confirm proper pump operation.

Quality Assurance and Warranty

Bosch maintains strict quality control standards for the Engine Auxiliary Water Pump line, including the 0392020073 model. Each pump undergoes rigorous testing to meet OEM specifications for fit, form, and function. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to ensure reliability and performance in Audi, Porsche, and Volkswagen vehicles.