Walker 245-2190 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-2190

Restore accurate airflow measurement with the Walker Mass Air Flow Sensor 245-2190. This replacement sensor is built for select Infiniti and Nissan applications and supports proper fuel delivery and engine management performance. It is a direct-fit option for drivers servicing a 2003 Infiniti G35, 2003-2004 Infiniti I35, or 2003 Nissan Maxima.

Key Features

• Mass air flow sensor for emission control and engine management systems
• 5-terminal female connector for the specified application
• Mounting hardware included for installation support
• Housing not included
• Walker Mass Air Flow Sensor 245-2190 for select Infiniti and Nissan vehicles

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Mass Air Flow Sensor line is part of that broader engine management offering, giving technicians and do-it-yourself installers a replacement sensor built for accurate vehicle application matching. Part number 245-2190 is listed for 2003 Infiniti G35, 2003-2004 Infiniti I35, and 2003 Nissan Maxima applications. This part cross-references Delphi AF10216 for the same application.

Common Issues This Part May Address

• Rough idle caused by incorrect airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Poor fuel metering from a failing airflow signal
• Driveability problems on a 2003 Infiniti G35, 2003-2004 Infiniti I35, or 2003 Nissan Maxima

Installation Notes

Verify connector style, terminal count, and mounting points before installation. This sensor uses a female connector and 5 terminals, and the housing is not included. Confirm the intake tract is clean and inspect the air filter and ducting before installing the new sensor to help prevent contamination of the sensing element.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house product management and engineering support. The brand states its engine sensors are produced to meet or exceed OEM standards and specifications, with technical support available for application accuracy.