Walker 245-1150 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1150

Restore accurate airflow measurement with the Walker Mass Air Flow Sensor 245-1150. This replacement mass air flow sensor is built for direct-fit applications across select Toyota, Lexus, Scion, Pontiac, and Subaru vehicles, including Toyota Camry, Toyota Corolla, Lexus IS250, and Scion xB coverage.

Key Features

• Walker Mass Air Flow Sensor line for engine management service
• Part number 245-1150 for application matching and catalog lookup
• 5-terminal female connector
• Mounting hardware included
• Housing not included; sensor-only service part where specified
• Cross-references Delphi AF10202 and Spectra Premium MA175 for the same application

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 245-1150 is part of that engine sensor line and is intended for vehicles that require precise airflow input to the engine control system. Accurate airflow data helps the ECU calculate fuel delivery and maintain proper drivability across a wide range of operating conditions. This part number 245-1150 is listed for select Lexus IS250, IS350, ES350, GS350, RX350, Toyota Avalon, Camry, Corolla, Highlander, Matrix, RAV4, Sienna, Venza, Scion xB, xD, tC, Pontiac Vibe, and Subaru Impreza applications.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Poor fuel metering from a contaminated or failing sensor
• Driveability issues on Toyota Camry, Toyota Corolla, and Lexus IS250 applications

Installation Notes

Verify connector style, terminal count, and OE reference numbers before installation. This sensor uses a female connector and 5 terminals, and mounting hardware is included. Some listed applications are sensor-only service parts, and the housing is not included. Confirm the stamped OE numbers and vehicle-specific fitment for Toyota Venza, Scion xD, and other listed models before replacing the original unit.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house product management and engineering support. The company states its engine sensors are produced to meet or exceed OEM standards and specifications, with technical documentation and application control maintained for aftermarket service.