Walker 245-2132 Mass Air Flow Sensor

Walker Mass Air Flow Sensor for Nissan and INFINITI

The Walker Mass Air Flow Sensor, part number 245-2132, is built for accurate airflow measurement in select Nissan and INFINITI applications. It supports proper engine management by helping the ECU calculate fuel delivery based on incoming air volume.

• Walker Mass Air Flow Sensor line for engine management service
• Part number 245-2132 for direct application lookup
• 5-terminal female connector
• Mounting hardware included
• Housing not included
• Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer

Product Line Details

Walker Products has supplied fuel system and engine sensor components since 1946. The Walker Mass Air Flow Sensor line is part of its engine management offering, backed by in-house manufacturing, engineering, and product support to help maintain accurate part specifications and vehicle application data.

Fitment

• Fits 2004 Nissan Pathfinder, N/A
• Fits 2001-2002 Nissan Pathfinder, N/A
• Fits 2001-2003 INFINITI QX4, N/A

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation during acceleration from incorrect air-fuel calculation
• Check engine light related to mass air flow sensor performance
• Poor fuel economy from faulty airflow input
• Driveability issues on Nissan Pathfinder and INFINITI QX4 applications

Installation Notes and Tips

Verify connector style, terminal count, and mounting points before installation. This part uses a female 5-terminal connector and includes mounting hardware, while the housing is not included. Confirm the vehicle application against the part number 245-2132 and inspect the intake tract for contamination that could affect sensor readings.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certification supports controlled production and application accuracy for parts such as the Walker Mass Air Flow Sensor 245-2132.