Walker 245-2168 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-2168

Walker Mass Air Flow Sensor 245-2168 is a direct-fit engine management replacement for select Audi applications. It is built to meet or exceed OEM standards and specifications, with support from Walker Products’ manufacturing, engineering, and technical teams.

Compatible With 2001-2006 Audi A4, A4 Quattro, Allroad Quattro, A6, A6 Quattro, and S4 applications, this sensor supports accurate airflow measurement for proper fuel delivery and drivability. The Walker Mass Air Flow Sensor line focuses on dependable OE-style replacement parts for import vehicles.

Key Features

• Mass air flow sensor for emission control and engine management systems
• Part number 245-2168 for easy identification
• 5-terminal female connector
• Mounting hardware included
• Housing not included
• Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer

Detailed Description

Walker Products has supplied fuel system and engine sensor components since 1946, and the Walker Mass Air Flow Sensor line reflects that experience. Part number 245-2168 is engineered for select Audi A4, Audi A4 Quattro, Audi Allroad Quattro, Audi A6, Audi A6 Quattro, and Audi S4 models from 2001 through 2006. It is a practical replacement when the original sensor is no longer reading airflow accurately or when drivability concerns point to a failing MAF sensor.

This part cross-references 7450044 and 8650044 for the same application. If you are searching for a Walker Mass Air Flow Sensor 245-2168 for Audi A4 Quattro or Audi A6 Quattro fitment, this listing provides the key application and connector details needed for selection.

What It Helps Address

• Rough idle caused by incorrect airflow readings
• Hesitation or stumble during acceleration
• Reduced fuel economy from improper air-fuel calculation
• Check engine light related to mass air flow sensor faults
• Driveability issues on Audi A4, A4 Quattro, A6, and S4 models

Installation Notes and Tips

Verify connector style, terminal count, and vehicle application before installation. This sensor uses a female connector and 5 terminals, and the housing is not included. Inspect the intake tract, air filter, and electrical connector for contamination or damage before replacing the sensor. Clear diagnostic trouble codes after installation and confirm proper idle and throttle response during a road test.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical support, and operates under ISO 9001/IATF16949 certification.