Pierburg 7.02478.40.0 Engine Water Pump

Overview of Pierburg Engine Water Pump 7.02478.40.0

The Pierburg 7.02478.40.0 engine water pump is designed for reliable cooling system performance in select BMW vehicles. This electric water pump supports efficient engine temperature regulation, specifically compatible with BMW 528i and X3 models.

• Electric operating mode for precise coolant circulation
• Dual 40 mm diameter inlet and outlet for optimal flow
• 12-volt voltage rating suitable for standard automotive electrical systems
• Compatible with BMW 528i and BMW X3 models
• Part number 7.02478.40.0 ensures exact fit and function

Technical Details and Specifications

This engine water pump features two 40 mm diameter ports, allowing balanced coolant flow through the engine cooling system. Its electric operation mode provides controlled pump speed independent of engine RPM, improving thermal management under various driving conditions. Operating at 12 volts, the pump integrates seamlessly with the vehicle’s electrical system, ensuring consistent performance. The Pierburg 7.02478.40.0 is engineered to meet the specific cooling requirements of BMW 528i and X3 models, maintaining engine temperature within optimal ranges.

Compatible Vehicles and Applications

This water pump is compatible with the following BMW models:

• BMW 528i
• BMW X3

It is designed to replace the original equipment water pump, addressing issues related to coolant circulation and engine overheating.

Common Issues Addressed by This Water Pump

• Engine overheating due to insufficient coolant flow
• Coolant leaks from worn or damaged pump seals
• Reduced cooling efficiency caused by pump failure
• Erratic engine temperature fluctuations
• Electric pump malfunction affecting engine thermal regulation

Installation Notes and Tips

• Ensure compatibility with BMW 528i or X3 before installation
• Disconnect the battery before replacing the electric water pump
• Drain the cooling system to prevent fluid spillage
• Inspect and replace any worn hoses or clamps during installation
• Verify electrical connections are secure and corrosion-free

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of automotive components, this engine water pump meets OEM standards for fit and function. The part number 7.02478.40.0 is backed by Pierburg’s quality control processes to ensure durability and reliable operation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.