Nissens 831076 Engine Auxiliary Water Pump

Nissens 831076 Auxiliary Water Pump

The Nissens 831076 engine auxiliary water pump is built for BMW cooling system service where precise thermal control matters. It is a 12-volt unit with a D-shape connector and a plastic/steel housing, making it a direct-fit replacement for a range of BMW 128i, 328i, Z4, X3, and X5 applications.

Key Features

• Part number: 831076
• Engine auxiliary water pump for BMW cooling system repair
• 12-volt electrical design
• D-shape connector for proper electrical connection
• Plastic / steel housing construction
• Bolts included for installation
• No pulley included
• No gasket or seal included
• No mounting bracket included

Detailed Description

Nissens develops thermal management components with a focus on OE-style fit and consistent performance. The 831076 auxiliary water pump is part of that lineup and is intended for BMW models that rely on an electric auxiliary pump to circulate coolant through the engine and related systems. This part number 831076 is cross-referenced to Airtex AW6680 and Gates 41526E for the same application. It also matches BMW reference numbers including 11517586925 and related OE numbers listed for this fitment group.

Compatible With BMW 128i, 328i, 328i xDrive, Z4, 528i, 528i xDrive, X3, X5, 328xi, 528xi, 525i, 525xi, 530i, 530xi, 325i, 325xi, 330i, and 330xi across the listed 2006-2013 model years. Fits 2007-2010 BMW X5, Exc. Auxiliary A/C.

What It Helps Address

• Coolant circulation problems caused by a failing auxiliary pump
• Overheating concerns tied to reduced thermal management flow
• Intermittent heater performance when coolant circulation is inconsistent
• Electrical connection issues related to a worn pump connector
• Cooling system fault codes associated with auxiliary pump operation

Installation Notes and Tips

Verify connector style, voltage, and vehicle fitment before installation. This pump uses a D-shape connector and 12-volt electrical specification. Bolts are included, but a pulley, gasket or seal, and mounting bracket are not included, so inspect the surrounding cooling system components and reuse or replace related seals as needed during service.

Quality Assurance

Nissens positions this part within its Genuine Nissens Quality standard, with products developed and manufactured to consistent thermal-system requirements. The brand focuses on aftermarket cooling and engine efficiency components and continues to expand coverage as vehicle technology changes.