Walker 245-1314 Mass Air Flow Sensor

Walker Mass Air Flow Sensor for GM Applications

Walker Mass Air Flow Sensor 245-1314 is a direct-fit engine management sensor for select Buick and Chevrolet vehicles. It is built with an 8-terminal female connector, includes mounting hardware, and is supplied without a housing for sensor-only replacement where applicable.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on OE-level specifications. The Walker Mass Air Flow Sensor line is part of that broader engine management portfolio, giving technicians a replacement option for Buick Encore, Chevrolet Cruze, Chevrolet Sonic, Chevrolet Trax, Chevrolet Cruze Limited, and Chevrolet Verano applications.

Key Features

• Part number 245-1314 for select GM fitments
• 8-terminal female connector for the listed applications
• Mounting hardware included
• Housing not included
• Sensor-only configuration where specified in fitment notes
• Cross-references Bosch 0280218419 and Standard Ignition MAS0321 for the same application

Detailed Description

This Walker mass air flow sensor measures incoming air so the engine control system can calculate fuel delivery more accurately. For vehicles such as the 2012-2019 Chevrolet Sonic, 2012-2015 Chevrolet Cruze, 2013-2019 Buick Encore, and 2012-2017 Buick Verano, a properly functioning MAF sensor helps maintain stable drivability and consistent engine response. Part number 245-1314 is also listed for 2015-2019 Chevrolet Trax, 2016 Chevrolet Cruze Limited, and select 2020-2021 Buick Encore, Chevrolet Trax, and Chevrolet Sonic sensor-only applications.

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications, supported by in-house product management and engineering. That focus helps ensure accurate vehicle application data, technical support, and a replacement part built for the listed GM platforms.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or sluggish throttle response
• Check engine light related to mass air flow sensor faults
• Fuel trim issues from incorrect air measurement
• Driveability concerns on Buick Encore, Chevrolet Cruze, Chevrolet Sonic, Chevrolet Trax, and Chevrolet Verano models

Installation Notes and Tips

Verify connector style, terminal count, and fitment notes before installation. This sensor uses an 8-terminal female connector and is supplied without a housing, so confirm the original assembly matches the listed application. For best results, inspect the intake tract, air filter, and wiring connector condition before replacing the sensor. Fits 2013-2019 Buick Encore, N/A; Fits 2012-2015 Chevrolet Cruze, N/A; Fits 2012-2019 Chevrolet Sonic, N/A; Fits 2015-2019 Chevrolet Trax, N/A; Fits 2012-2017 Buick Verano, N/A.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with long-standing experience in automotive fuel system and engine sensor production. The company backs its parts with manufacturing, engineering, and technical support resources focused on accurate application coverage and OE-spec-oriented production.