Walker 245-2134 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-2134

Walker Mass Air Flow Sensor 245-2134 is a direct-fit engine management sensor for air measurement and fuel control on select Nissan applications. It is built for 2003-2006 Nissan Sentra coverage and uses a 5-terminal female connector with mounting hardware included.

Key Features

• Mass air flow sensor for emission control and engine management systems
• Fits 2003-2006 Nissan Sentra
• 5-terminal female connector
• Mounting hardware included
• No housing included
• Walker Mass Air Flow Sensor line for OE-style replacement needs

Product Details

Walker 245-2134 is part of Walker Products’ Mass Air Flow Sensor line, backed by a manufacturer with long-standing fuel system and engine sensor experience. Walker states its engine management components are produced to meet or exceed OEM standards and specifications, with engineering and technical support used to maintain application accuracy. This part cross-references Monroe Shocks & Struts (e.g., 105190W4, MF21149) for the same application.

What It Helps Address

• Rough idle caused by inaccurate incoming air measurement
• Check engine light related to mass air flow sensor performance
• Poor fuel economy from incorrect air-fuel calculations
• Hesitation or stumble during acceleration
• Driveability issues on 2003-2006 Nissan Sentra models

Installation Notes

Verify connector style, terminal count, and sensor location before installation. This unit uses a female 5-terminal connector and does not include a housing. Confirm the vehicle application against the part number 245-2134 and the Sentra model year before replacing the sensor.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house manufacturing, product management, and engineering support focused on accurate application coverage and production quality.