Nissens 831071 Engine Auxiliary Water Pump

Nissens 831071 Engine Auxiliary Water Pump

The Nissens 831071 engine auxiliary water pump is built for vehicles that need precise thermal management support in the cooling system. It is a 12-volt unit with a D-shape connector, a plastic/steel housing, and an included mounting bracket for a direct-fit service replacement.

Key Features

• Engine auxiliary water pump for cooling system circulation support
• 12-volt electrical design
• D-shape connector for vehicle-specific connection
• Plastic / steel housing construction
• Mounting bracket included
• No pulley included
• No gasket or seal included
• No bolts included

Application Details

Compatible with 2009-2012 Audi A4, 2009-2012 Audi A4 Quattro, 2011-2012 Audi Q5, 2010-2011 Audi A5, and 2010-2011 Audi A5 Quattro. This Nissens 831071 auxiliary water pump is a fitment-based replacement for Audi cooling system service where the original electric pump has failed or is no longer maintaining proper circulation.

Nissens develops thermal and engine efficiency components for the aftermarket, and this part reflects that focus with a vehicle-specific electrical connector, integrated bracket, and application-matched housing design. This part cross-references Gates 41553E for the same application.

What It Helps Address

• Loss of coolant circulation from a worn auxiliary pump
• Cooling system fault codes related to pump performance
• Overheating concerns tied to reduced coolant flow
• Intermittent heater performance caused by poor circulation
• Noisy or electrically unresponsive auxiliary pump operation

Installation Notes and Tips

Confirm connector shape, voltage, and mounting location before installation. Because the gasket or seal is not included, inspect the sealing surfaces and replace any required sealing components separately. Verify that the cooling system is properly bled after installation to restore correct coolant flow.

Quality Assurance

Nissens manufactures thermal management components to consistent aftermarket standards and continuously updates its product range to match changing vehicle technology. Part number 831071 is built as a replacement auxiliary water pump for the listed Audi applications.