Compatible with: Cadillac Escalade 2000-2014; Chevy Avalanche 2007-2013; Chevy Avalanche 1500/Avalanche 2500 2002-2006; Chevy Silverado 1500/Silverado 2500/Silverado 3500 2000-2014 Compatible with: Chevy Silverado 1500 Classic/Silverado 2500 Classic/Silverado 3500 Classic 2007; Chevy Suburban 1500/Suburban 2500 2000-2014; Chevy Tahoe 2000-2014 Compatible with GMC: Sierra 1500/Sierra 2500/Sierra 3500 2000-2004; Sierra 1500 Classic/Sierra 2500 Classic/Sierra 3500 Classic 2007; Yukon/Yukon Xl 1500/Yukon Xl 2500 2000-2014 Compatible with: Cadillac Escalade 2000-2014; Hummer H2 2003-2009 Part Numbers: 22834330; 20931026; 15029252; 25771194; 25903301; 15-51256; 5S15904; AX370 Compatible with:
Cadillac Escalade 2000-2014; Chevy Avalanche 2007-2013; Chevy Avalanche 1500/Avalanche 2500 2002-2006; Chevy Silverado 1500/Silverado 2500/Silverado 3500 2000-2014

Compatible with:
Chevy Silverado 1500 Classic/Silverado 2500 Classic/Silverado 3500 Classic 2007; Chevy Suburban 1500/Suburban 2500 2000-2014; Chevy Tahoe 2000-2014

Compatible with GMC:
Sierra 1500/Sierra 2500/Sierra 3500 2000-2004; Sierra 1500 Classic/Sierra 2500 Classic/Sierra 3500 Classic 2007; Yukon/Yukon Xl 1500/Yukon Xl 2500 2000-2014

Compatible with:
Cadillac Escalade 2000-2014; Hummer H2 2003-2009

Part Numbers:
22834330; 20931026; 15029252; 25771194; 25903301; 15-51256; 5S15904; AX370

Function:
Tracks the air temperature inside the vehicle and communicates with the vehicle's climate control system to help maintain a comfortable temperature