Walker 245-1250 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1250

Walker Mass Air Flow Sensor 245-1250 is a direct-fit engine management replacement for select Chevrolet Express, Silverado, GMC Savana, and Sierra applications. It is built to meet or exceed OEM standards and specifications, with a 5-terminal female connector and mounting hardware included for a cleaner service replacement.

Key Features

• Mass air flow sensor for emission control and engine management service
• 5-terminal female connector for the listed applications
• Mounting hardware included
• No housing included
• Walker part number 245-1250 for easy identification

Product Line Details

Walker Mass Air Flow Sensor components are part of Walker Products’ engine sensor and fuel system lineup. The brand has supplied automotive aftermarket fuel system parts since 1946 and supports production with in-house manufacturing, product management, engineering, and technical support. Walker Products is ISO 9001/IATF16949 certified and focuses on accurate vehicle application coverage and OE-level specifications.

Detailed Description

This Walker mass air flow sensor helps maintain proper air measurement for engine control on 2010-2016 Chevrolet Express 2500, 2010-2016 Chevrolet Express 3500, 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 Chevrolet Silverado 3500 HD, 2010-2016 GMC Savana 2500, 2010-2016 GMC Savana 3500, 2011-2016 GMC Sierra 2500 HD, and 2011-2016 GMC Sierra 3500 HD. Walker 245-1250 is a practical OE-style replacement when servicing drivability or emissions-related sensor concerns on these trucks and vans. This part cross-references Delphi AF10061 for the same application.

Common Issues This Sensor Can Address

• Rough idle caused by inaccurate airflow measurement
• Hesitation or sluggish throttle response
• Check engine light related to mass air flow sensor performance
• Fuel trim problems from incorrect air metering
• Reduced engine efficiency on the listed Chevrolet and GMC applications

Installation Notes and Tips

Verify connector style, terminal count, and application before installation. Inspect the intake tract, air filter, and electrical connector for contamination or damage before replacing the sensor. Clear diagnostic trouble codes after installation and confirm proper idle and throttle response during a road test. Fits 2010-2016 Chevrolet Express 2500, N/A; Fits 2010-2016 Chevrolet Express 3500, N/A; Fits 2011-2016 Chevrolet Silverado 2500 HD, N/A; Fits 2011-2016 Chevrolet Silverado 3500 HD, N/A; Fits 2010-2016 GMC Savana 2500, N/A; Fits 2010-2016 GMC Savana 3500, N/A; Fits 2011-2016 GMC Sierra 2500 HD, N/A; Fits 2011-2016 GMC Sierra 3500 HD, N/A.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company backs its parts with manufacturing, engineering, and technical support resources to help maintain application accuracy and product quality.