The replacement oxygen sensor is made for select 2005-2019 Cadillac, Chevy, GMC, Hummer and other applications. It signals exhaust oxygen content to the engine computer so it can adjust the air-fuel mixture.

Walker Products 932-14086 Oxygen Sensor Features:

• Fits 2007 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevy Avalanche, Silverado 1500 Classic, Suburban 2500, GMC Sierra 1500 Classic, Yukon XL 2500
• Fits 2005-2007 Chevy Cheyenne; 2006 Chevy Avalanche 1500; 2006-2013 Chevy Silverado 1500, GMC Sierra 1500
• Also fits select Cadillac, Chevy, GMC, Hummer and Polaris applications
• Used in upstream and downstream positions, depending on application