Walker 245-1241 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1241

Walker Mass Air Flow Sensor 245-1241 is a direct-fit engine management replacement for select Chevrolet, Buick, and Cadillac applications. It is built for vehicles that need accurate airflow signal input for proper fuel delivery, drivability, and emissions control.

Key Features

• Mass air flow sensor for emission control and engine management systems
• Walker Products line focused on OEM-level fit and specification control
• 5-terminal female connector
• Mounting hardware included
• No housing included
• Fits select 2010-2020 Chevrolet, Buick, and Cadillac models

Product Details

The Walker Mass Air Flow Sensor line is part of Walker Products’ engine sensor offering, backed by in-house manufacturing, product management, and engineering support. Part number 245-1241 is engineered to meet or exceed OEM standards and specifications, with application coverage for vehicles such as the Chevrolet Trax, Chevrolet Sonic, Chevrolet Cruze, Chevrolet Volt, Buick LaCrosse, and Cadillac SRX. This part cross-references Standard Ignition (e.g., MAS0278, MAS0341) for the same application.

Vehicle Fitment

• Fits 2013-2020 Chevrolet Trax, Sensor Only
• Fits 2017 Chevrolet Sonic, Sensor Only
• Fits 2013-2015 Chevrolet Sonic, Sensor Only
• Fits 2014-2016 Cadillac ELR, Walker Mass Air Flow Sensor
• Fits 2015-2016 Chevrolet Aveo, Sensor Only
• Fits 2011-2015 Chevrolet Volt, Walker Mass Air Flow Sensor
• Fits 2011-2012 Chevrolet Cruze, Walker Mass Air Flow Sensor
• Fits 2012 Chevrolet Sonic, Walker Mass Air Flow Sensor
• Fits 2010-2011 Buick LaCrosse, Walker Mass Air Flow Sensor
• Fits 2010-2011 Cadillac SRX, Walker Mass Air Flow Sensor
• Fits 2010-2011 Chevrolet Camaro, Walker Mass Air Flow Sensor
• Fits 2010 Buick Allure, Sensor Only
• Fits 2010 Chevrolet Cruze, Sensor Only

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or sluggish throttle response
• Fuel trim issues related to incorrect air measurement
• Check engine light concerns tied to mass air flow sensor faults
• Poor drivability on Chevrolet Cruze, Chevrolet Sonic, and Chevrolet Trax applications

Installation Notes

Verify connector style, terminal count, and application before installation. This sensor uses a female connector and 5 terminals, with mounting hardware included and no housing included. Confirm the vehicle’s exact year and engine configuration against the listed fitment for Chevrolet Cruze, Chevrolet Sonic, Chevrolet Volt, Buick LaCrosse, and Cadillac SRX applications. Part number 245-1241 should be matched to the original sensor location and OE-style connector layout.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and operates as an ISO 9001/IATF 16949 certified manufacturer. The brand states its products are produced to meet or exceed OEM standards and specifications, with technical support and application data maintained by its engineering and product teams.