Walker 245-1168 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1168

Walker Mass Air Flow Assembly 245-1168 is a direct-fit mass air flow sensor assembly for select Audi applications. It uses a 5-terminal female connector and includes the housing for a complete sensor-side replacement where the original unit has failed or become inaccurate.

Built by Walker Products, a long-standing fuel system and engine sensor manufacturer, this Walker Mass Air Flow Assembly line is backed by engineering and product management focused on OE-level specifications and application accuracy. The 245-1168 is a practical replacement for Audi A4, A4 Quattro, Allroad Quattro, A6, A6 Quattro, and S4 models within the listed fitment.

Key Features

• Mass air flow sensor assembly for engine air measurement
• Housing included for a complete assembly-style replacement
• 5-terminal female connector
• Direct-fit application coverage for select Audi models
• Walker Mass Air Flow Assembly 245-1168 for OE-style service replacement

Detailed Description

The Walker Mass Air Flow Assembly 245-1168 is used to measure incoming air so the engine control system can calculate fuel delivery more accurately. When the original sensor is contaminated, electrically unstable, or no longer reading correctly, this replacement helps restore proper airflow signal input on Audi A4 and A4 Quattro, as well as Audi Allroad Quattro, A6, A6 Quattro, and S4 applications. This part cross-references Delphi AF10149 for the same application.

Walker Products has supplied fuel system and engine management components since 1946 and manufactures to meet or exceed OEM standards and specifications. The brand line focuses on accurate vehicle application coverage and technical support, making the 245-1168 a straightforward choice for service work on the listed Audi platforms.

What It Helps Fix

• Rough idle caused by incorrect airflow readings
• Hesitation or poor throttle response
• Check engine light related to mass air flow sensor performance
• Fuel trim issues from inaccurate air measurement
• Driveability problems on Audi A4, A4 Quattro, and related models

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. The 245-1168 uses a female connector with 5 terminals and includes the housing; mounting hardware is not included. Inspect the intake tract for leaks, contamination, or damaged wiring before replacing the sensor, and clear diagnostic trouble codes after installation if required.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house engineering and product management support. The Walker Mass Air Flow Assembly 245-1168 is produced to support OE-level fit and specification control for the listed Audi applications.