Metelli PA432A Engine Water Pump

Reliable Engine Water Pump for BMW Models

The Metelli PA432A engine water pump is designed to provide efficient cooling performance for a wide range of BMW vehicles. Engineered with durable materials and precise specifications, this water pump ensures optimal engine temperature regulation and long-lasting operation.

• Includes gasket and o-ring for secure installation
• Aluminium housing for lightweight strength and corrosion resistance
• Metal impeller with 7 vanes for effective coolant flow
• Roller/ball bearing type with 36mm outside diameter for smooth rotation
• New, not remanufactured, ensuring reliable performance

Durable Construction and Precise Engineering

The PA432A water pump features an aluminium housing that offers excellent heat dissipation and resistance to corrosion, critical for maintaining engine cooling efficiency. Its metal impeller, equipped with 7 vanes and a 74mm outside diameter, is designed to maximize coolant circulation within the engine. The roller/ball bearing with a 36mm outside diameter supports smooth and reliable operation, reducing wear and extending the pump’s service life. This new water pump comes complete with a gasket and o-ring to ensure a proper seal and prevent leaks during installation.

Compatible BMW Models and Applications

This engine water pump is compatible with various BMW models, including the 320i, 323Ci, 323i, 323is, 325Ci, 325i, 325is, 325xi, 328Ci, 328i, 328is, 330Ci, 330i, 330xi, 525i, 525iT, 528i, 530i, M3, X3, X5, Z3, and Z4. The PA432A part number ensures precise fitment and reliable performance for these vehicles, making it a suitable replacement for maintaining your BMW’s cooling system.

Common Issues Addressed by the Water Pump

• Engine overheating due to coolant circulation failure
• Coolant leaks from worn or damaged seals
• Unusual noises caused by bearing wear
• Reduced engine performance from inefficient cooling
• Premature engine wear due to improper temperature regulation

Installation Notes and Tips

When installing the Metelli PA432A water pump, ensure the gasket and o-ring are properly seated to prevent leaks. It is recommended to inspect the cooling system hoses and thermostat during replacement to maintain overall system integrity. Use manufacturer torque specifications for mounting bolts and verify coolant levels after installation. Proper installation will help maintain engine temperature and prevent future cooling system issues.

Quality Assurance and Warranty

The Metelli PA432A engine water pump is a new component manufactured to meet OEM standards for fit and function. It undergoes rigorous quality control to ensure durability and reliable performance. This water pump includes a gasket and o-ring to support a complete and secure installation. Warranty coverage details should be confirmed with the distributor or installer.