Hella 7.06033.45.0 Electric Engine Auxiliary Water Pump

The Hella 7.06033.45.0 is an electric engine auxiliary water pump manufactured by Pierburg and distributed by Hella. This precision-engineered component is designed to maintain optimal engine cooling by circulating coolant through the engine system, particularly during idle and low-speed driving conditions when the mechanical water pump may not provide sufficient flow.

Key Specifications:

• Operating Mode: Electric
• Voltage: 12V DC
• Inlet Diameter: 22.3mm
• Outlet Diameter: 21mm (0.83 inches)
• Impeller Material: Plastic
• Includes rubber bellow for vibration dampening

This auxiliary water pump helps prevent engine overheating by ensuring consistent coolant circulation independent of engine speed. Pierburg components are known for their high-technology solutions and OE-level quality, making this pump an ideal replacement for maintaining proper engine operating temperatures. The electric design allows for on-demand operation controlled by the vehicle's cooling system management, which can contribute to improved fuel efficiency and reduced emissions.

Common applications include BMW 1-Series, 2-Series, 3-Series, 4-Series, 5-Series, and 6-Series models with 3.0L engines manufactured between 2010-2018. Cross-references to OEM part numbers include BMW 11517583965, among others.