Airtex Water Pumps AW9171 Engine Water Pump

Overview of Airtex Water Pump AW9171 for Audi Vehicles

The Airtex Water Pump AW9171 is engineered for reliable cooling system performance in select Audi models. Designed specifically for Audi 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, and Coupe Quattro vehicles, this engine water pump ensures proper coolant circulation to maintain optimal engine temperature.

• Pulley included for direct replacement
• Aluminum housing for lightweight durability
• Cast iron impeller with 5 vanes for efficient coolant flow
• Standard impeller rotation compatible with timing belt drive
• Three mounting holes for secure installation
• Pulley outside diameter: 72.39 mm
• Hub height: 56.50 mm
• Compatible with timing belt drive systems

Technical Details and Construction

The AW9171 water pump features a robust aluminum housing that balances strength and weight, contributing to overall engine efficiency. Its cast iron impeller with five vanes is designed to provide consistent coolant flow, reducing the risk of overheating. The pump operates with a standard impeller rotation and is driven by the timing belt, ensuring synchronized operation with the engine. The included pulley, measuring 72.39 mm in outside diameter, integrates seamlessly with the existing belt system. With three mounting holes, the pump offers a secure fitment tailored for the specified Audi models.

Compatible Audi Models and Applications

This engine water pump is compatible with the following Audi vehicles:

• Audi 80 and 80 Quattro
• Audi 90 and 90 Quattro
• Audi 100 and 100 Quattro
• Audi 200 and 200 Quattro
• Audi Coupe Quattro

It is designed to replace the original water pump in these models, ensuring proper coolant circulation and engine temperature regulation.

Common Issues Addressed by the AW9171 Water Pump

• Engine overheating due to coolant circulation failure
• Coolant leaks from worn or damaged pump housing
• Noise or vibration caused by impeller or pulley wear
• Timing belt-driven water pump failure affecting engine timing
• Reduced cooling efficiency from impeller damage

Installation Notes and Tips

When installing the Airtex Water Pump AW9171, ensure the timing belt is properly aligned and tensioned to avoid premature wear. Verify that the three mounting holes align correctly with the engine block for a secure fit. Since the pulley is included, confirm belt routing matches factory specifications. It is recommended to inspect related cooling system components such as hoses and thermostat during installation.

Quality Assurance and Warranty

Airtex Water Pumps are manufactured to meet OEM standards, using durable materials like aluminum for the housing and cast iron for the impeller. The AW9171 part number undergoes rigorous quality control to ensure reliable performance in Audi 80, 90, 100, 200, and Coupe Quattro models. Warranty information is provided by the manufacturer and should be verified at the time of purchase.