Walker 245-2198 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-2198

The Walker Mass Air Flow Sensor 245-2198 is built for direct replacement service on select Ford and Lincoln applications. It is a 4-terminal, female-connector sensor with mounting hardware included, making it a practical choice for restoring accurate airflow signal input to the engine management system.

Key Features

• Walker Mass Air Flow Sensor, part number 245-2198
• 4-terminal design with female connector
• Mounting hardware included for installation
• Housing not included
• Engineered by Walker Products, a long-standing fuel system and engine sensor manufacturer

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering processes focused on meeting or exceeding OEM standards. The Walker Mass Air Flow Sensor line is part of that broader engine sensor offering, built for accurate vehicle application coverage and technical support. This sensor is a fit for 2003-2004 Ford Expedition and 2003-2004 Lincoln Navigator applications, making it a targeted replacement for common airflow-signal service needs. This part cross-references 105029H7 and 7450033 for the same application.

Common Uses

• Restores proper airflow signal input after a failed MAF sensor
• Addresses rough idle caused by inaccurate air measurement
• Helps correct hesitation or poor throttle response
• Supports repair of lean or rich fuel trim conditions tied to sensor output
• Replaces a worn sensor on 2003-2004 Ford Expedition and 2003-2004 Lincoln Navigator

Installation Notes

Verify connector style, terminal count, and mounting points before installation. Because housing is not included, reuse the existing housing where applicable and confirm the air intake tract is clean before fitting the new sensor. For best results, inspect the intake ducting, electrical connector, and related engine management codes during service. Fits 2003-2004 Ford Expedition, N/A. Fits 2003-2004 Lincoln Navigator, N/A.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports its products with manufacturing, product management, engineering, and technical documentation resources.