Airtex Water Pumps AW9171 Engine Water Pump

Engine Water Pump for Audi Timing Belt Applications

The Airtex Water Pumps AW9171 is an engine water pump built for Audi timing belt-driven cooling systems. It is engineered with OE-quality components, validated for fit and function, and built for direct replacement service on select Audi 80, 90, 100, 200, and Quattro models.

For Audi 80 water pump replacement, Audi 90 Quattro cooling service, or an Audi 100 Quattro timing belt job, the AW9171 provides the correct housing, hub, and impeller design for the listed applications.

Key Features

• Airtex Water Pumps AW9171 engine water pump
• Timing belt-driven design for listed Audi applications
• Aluminum housing with cast iron impeller
• Standard impeller rotation with 5-vane impeller
• Pressed-on hub and unitized bearings for stable operation
• Precision-machined housing and unitized seals
• Pulley included for the specified fitment
• Factory tested for fit, form, and function

Detailed Description

The AW9171 is built as a direct-fit replacement water pump for select 1988-1992 Audi models, including Audi 80, 90, 100, 200, and Quattro variants. It uses a timing belt drive type, so it is suited to service intervals where the water pump is replaced during timing belt maintenance. The aluminum housing, cast iron impeller, and 56.50 hub height are matched to the application for proper clearance and operation. Airtex Water Pumps AW9171 is validated to meet or exceed original equipment specifications and is 100% factory tested before release.

This part cross-references Gates 20597 and GMB 180-2050 for the same application.

What It Helps Address

• Coolant leakage from a worn pump seal or housing
• Overheating caused by reduced coolant circulation
• Noisy operation from bearing wear
• Timing belt service on Audi engines that require pump replacement at the same time
• Fitment issues from incorrect hub, pulley, or impeller configuration

Installation Notes and Tips

• Fits 1988-1992 Audi 80, N/A; from chassis #394743 on listed years
• Fits 1988-1992 Audi 80 Quattro, N/A; from chassis #394743 on listed years
• Fits 1988-1992 Audi 90 Quattro, N/A; from chassis #394743 on listed years
• Fits 1988-1991 Audi 90, N/A; from chassis #394743 on listed years
• Fits 1989-1991 Audi 200, N/A; from engine #MC039951 and chassis #004458 on listed years
• Fits 1989-1991 Audi 200 Quattro, N/A; from engine #MC039951 and chassis #004458 on listed years
• Fits 1989-1991 Audi 100, N/A
• Fits 1989-1991 Audi 100 Quattro, N/A
• Fits 1990-1991 Audi Coupe Quattro, N/A
• Fits 1988 Audi 90, N/A
• Fits 1989 Audi 100, N/A; from engine #063968
• Fits 1989 Audi 100 Quattro, N/A; from engine #063968
• Replace the timing belt during water pump service when the vehicle notes call for it
• Verify chassis and engine breakpoints before ordering

Quality Assurance

Airtex builds this water pump with new, original equipment-quality components and tests each unit at the factory to confirm fit, form, and function. The design is application-specific for the listed Audi models, helping ensure correct operation in timing belt-driven cooling systems.