Metelli PA679 Engine Water Pump

Reliable Engine Water Pump for Audi and Volkswagen Models

The Metelli PA679 engine water pump is designed specifically for Audi A4, A4 Quattro, and Volkswagen Passat vehicles. Engineered without a thermostat housing, this water pump ensures efficient coolant circulation to maintain optimal engine temperature.

• Includes gasket for secure installation
• Aluminium housing for durability and heat resistance
• Techno-polymer impeller with 7 vanes for effective coolant flow
• Ball/ball bearing type with 30mm outside diameter for smooth operation
• New, not remanufactured, ensuring reliable performance

Technical Details of the Metelli PA679 Water Pump

This engine water pump features an aluminium housing that offers strength and corrosion resistance, suitable for the cooling demands of Audi A4, A4 Quattro, and Volkswagen Passat engines. The impeller is made from techno-polymer material, which balances durability with lightweight design, and includes 7 vanes to optimize coolant movement. The ball/ball bearing system with a 30mm outside diameter supports stable rotation and reduces wear over time. The impeller’s outside diameter measures 63.5mm, matching OEM specifications for proper fit and function.

About the Without Thermostat Housing Product Line

The Metelli Without Thermostat Housing product line focuses on water pumps designed without an integrated thermostat housing. This design allows for compatibility with vehicles that have separate thermostat housings, such as the Audi A4 and Volkswagen Passat models listed. The PA679 part number belongs to this line, providing a direct replacement option that fits specific engine configurations without requiring modifications.

Common Applications and Issues Addressed

• Replacement for failing or leaking water pumps in Audi A4, A4 Quattro, and Volkswagen Passat
• Resolves overheating caused by inefficient coolant circulation
• Eliminates noise or rough operation due to worn bearings
• Prevents coolant leaks by including a new gasket
• Addresses impeller damage or corrosion affecting cooling performance

Installation Notes and Tips

When installing the Metelli PA679 water pump, ensure the gasket is properly seated to prevent leaks. This pump is designed for vehicles with separate thermostat housings, so verify compatibility before installation. Use appropriate torque specifications for mounting bolts and inspect the cooling system for any additional worn components. Flushing the cooling system before installation is recommended to maintain optimal performance.

Quality Assurance and Warranty

The Metelli PA679 engine water pump is a new, high-quality replacement part manufactured to meet OEM standards. It includes a gasket to facilitate proper sealing and installation. While specific warranty details may vary, Metelli products typically come with manufacturer-backed warranties covering defects in materials and workmanship to ensure reliability and customer confidence.