Walker 245-2122 Mass Air Flow Sensor

Walker Mass Air Flow Sensor for Saab 9-3 and 9-5

Restore accurate airflow measurement with the Walker Mass Air Flow Sensor, part number 245-2122. This replacement sensor is built for Saab 9-3 and Saab 9-5 applications and supports proper engine management for smoother drivability and consistent fuel delivery.

Key Features

• Walker Mass Air Flow Sensor, part number 245-2122
• Compatible with 1999-2003 Saab 9-3 and 1999-2009 Saab 9-5
• 3-terminal female connector for direct electrical connection
• Mounting hardware included for installation support
• No housing included
• Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications

Product Details

The Walker Mass Air Flow Sensor 245-2122 is part of Walker Products’ engine sensor line, backed by decades of fuel system and aftermarket experience. Walker Products has supplied automotive fuel system components since 1946 and maintains ISO 9001/IATF16949 certification, with engineering and product management support focused on accurate applications and quality control. For Saab 9-3 and Saab 9-5 owners, this sensor helps maintain the airflow signal the engine control system relies on for fuel and ignition calculations.

Fits 1999-2009 Saab 9-5, N/A. Fits 1999-2003 Saab 9-3, N/A. This part cross-references MF21091 for the same application.

Common Issues This Part May Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response during acceleration
• Check engine light related to mass air flow sensor performance
• Reduced fuel economy from incorrect air-fuel calculations
• Driveability problems on Saab 9-3 and Saab 9-5 models

Installation Notes and Tips

Verify connector style, terminal count, and application before installation. The sensor uses a female connector with 3 terminals, and the housing is not included. Inspect the intake tract, air filter, and wiring connector for contamination or damage before replacing the sensor to help ensure accurate readings after installation.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. As an ISO 9001/IATF16949 certified company, Walker supports product accuracy through in-house manufacturing, engineering, and technical documentation.