Walker 245-1136 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1136

Restore accurate airflow measurement with the Walker Mass Air Flow Assembly 245-1136. This mass air flow sensor assembly is built for direct replacement use on a wide range of Ford, Lincoln, and Mercury applications, including popular truck and SUV platforms.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on OE-level specifications and application accuracy. The Walker Mass Air Flow Assembly line is part of that broader engine sensor portfolio.

Key Features

• Housing included for a complete sensor assembly replacement
• 6-terminal female connector for the listed applications
• Direct-fit mass air flow sensor assembly for emission control and engine management service
• Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer
• Cross-reference example: Delphi AF10131

Detailed Description

The Walker 245-1136 mass air flow sensor assembly is used to measure incoming air so the engine control system can calculate fuel delivery more accurately. It is a direct replacement option for vehicles such as the Ford Escape, Ford Explorer, Ford F-150, Ford Mustang, Lincoln Aviator, and Mercury Mountaineer. For shoppers searching for a mass air flow sensor for Ford Explorer 1999-2005 or a Walker mass air flow assembly for Ford F-150 and Mustang applications, this part number is a relevant match.

This part cross-references Delphi AF10131 for the same application. The 245-1136 part number is also commonly searched for Ford truck and SUV airflow sensor replacement needs, including Ford Excursion, Ford Ranger, and Mercury Mariner coverage.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Poor fuel metering from a failing air measurement signal
• Driveability issues on Ford, Lincoln, and Mercury engine management systems

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female connector and includes the housing, but mounting hardware is not included. Confirm the vehicle application carefully, especially on 2004 Ford Crown Victoria police applications, which are excluded, and on listings marked as complete assembly versus sensor-only coverage.

For best results, inspect the intake tract, air filter, and electrical connector for contamination or damage before installing the new sensor. Clear diagnostic trouble codes after replacement and confirm idle quality and throttle response during a road test.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation resources, and operates as an ISO 9001/IATF16949 certified company.

Compatible with select 1999-2006 Ford, Lincoln, and Mercury vehicles, including Ford Escape, Explorer, F-150, Mustang, and Mercury Mountaineer applications. Part number: 245-1136.