Walker 245-1256 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1256

Restore accurate airflow measurement with the Walker Mass Air Flow Sensor 245-1256. This OE-style replacement is built for direct-fit applications on select INFINITI and Nissan models, including the Nissan Juke and INFINITI Q70, Q70L, and M56.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Mass Air Flow Sensor line is backed by that experience for dependable sensor replacement in modern engine management systems.

Key Features

• Mass air flow sensor for engine air measurement and fuel control
• Female connector with 5 terminals
• Mounting hardware included
• Housing not included
• OE-style replacement from Walker Products
• Part number 245-1256 for application lookup and ordering

Product Details

The Walker Mass Air Flow Sensor 245-1256 is a replacement engine sensor used to monitor incoming air volume so the vehicle’s control system can calculate fuel delivery more accurately. It is a direct-fit option for select 2011-2019 INFINITI Q70, 2015-2019 INFINITI Q70L, 2011-2014 and 2015-2016 Nissan Juke, and 2011-2013 INFINITI M56 applications. This part cross-references Standard Ignition MAS0353 for the same application.

For buyers searching for a mass air flow sensor for Nissan Juke or an INFINITI Q70 MAF sensor replacement, 245-1256 provides a focused fitment match with the connector and terminal configuration needed for the listed vehicles.

Common Issues This Part May Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response
• Check engine light related to air metering faults
• Reduced fuel economy from incorrect fuel calculation
• Driveability problems tied to a failing MAF sensor

Installation Notes and Tips

Verify connector style, terminal count, and vehicle year before installation. This sensor uses a female connector and 5 terminals, and the housing is not included. Confirm the exact application for 2015 Nissan Juke models, as fitment is listed up to October 2014 for that year. Follow the vehicle service procedure for sensor replacement and clear any stored diagnostic trouble codes after installation.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house engineering and product management support. The company states its components are produced to meet or exceed OEM standards and specifications for the listed applications.