The mass air flow sensor without housing is a direct replacement for select 2011-2025 Buick, Cadillac, Chevy and GMC applications in the left position. It measures the volume of air entering the engine so the engine computer can match fuel delivery to airflow; it installs into the existing housing.

Walker Products 245-1315 Mass Air Flow Sensor Features:

• Fits 2012-2024 Buick Enclave, Chevy Camaro; 2012-2019 Buick LaCrosse, Cadillac CTS; 2012-2017 Buick Regal, Chevy Caprice, Equinox; 2017-2020 Buick Envision
• Fits 2012-2016 Cadillac SRX; 2013-2019 Cadillac ATS, XTS; 2015-2020 Cadillac Escalade, Escalade ESV, Chevy Suburban, Tahoe, GMC Yukon, Yukon XL
• Also fits select Buick, Cadillac, Chevy and GMC applications
• Female electrical connector with 7 terminals
• Includes mounting hardware and housing
• Supersedes Walker Products part numbers 245-1309 and 245-1665