Walker 245-1128 Mass Air Flow Sensor

Overview of Walker Mass Air Flow Assembly 245-1128

The Walker Mass Air Flow Assembly 245-1128 is designed for precise air measurement in Subaru vehicles, including Forester, Impreza, and Legacy models. This sensor ensures accurate airflow data for optimal engine performance and emission control.

• Includes housing for secure installation
• Four terminal connections for reliable signal transmission
• Female connector design for compatibility with factory wiring
• Compatible with Subaru Forester, Impreza, and Legacy
• Part number 245-1128 for exact replacement

Walker Mass Air Flow Assembly Product Line Details

The Walker Mass Air Flow Assembly product line focuses on emission control sensors that meet OEM specifications. This line provides components engineered to maintain proper air-fuel mixture readings, supporting emission compliance and engine efficiency. The 245-1128 sensor is part of this line, offering a housing-included design to simplify installation and ensure durability.

Detailed Product Description

This mass air flow sensor features a housing included with the assembly, providing protection and ease of mounting. It has four terminals that facilitate accurate electrical connections, and the female connector ensures compatibility with the vehicle’s existing wiring harness. The sensor is specifically designed for Subaru Forester, Impreza, and Legacy models, making it a direct fit replacement part. The part number 245-1128 identifies this exact sensor within the Walker lineup, ensuring proper fit and function.

Common Applications and Issues Addressed

• Restores accurate air flow measurement for engine control units
• Helps resolve rough idling and engine hesitation
• Improves fuel efficiency by providing correct air-fuel ratio data
• Reduces emission system faults related to airflow sensor failure
• Eliminates check engine light triggers caused by faulty MAF sensor

Installation Notes and Tips

Installation requires careful handling of the sensor and connector to avoid damage. Since mounting hardware is not included, reuse existing fasteners or acquire appropriate hardware separately. Ensure the female connector is securely attached to the vehicle wiring harness. Verify the sensor housing is properly seated to prevent air leaks that could affect sensor readings.

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet industry standards for emission control components. The 245-1128 part undergoes quality checks to ensure reliable performance in Subaru Forester, Impreza, and Legacy vehicles. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.