Parking Assist Alarm Sensor is a direct fit for the following:

2002-2006 Cadillac Escalade
2003-2006 Cadillac Escalade ESV
2002-2006 Cadillac Escalade EXT
2005-2011 Cadillac STS
2004-2009 Cadillac XLR
2002-2006 Chevrolet Avalanche 1500
2002-2006 Chevrolet Avalanche 2500
2001-2006 Chevrolet Suburban 1500
2001-2006 Chevrolet Suburban 2500
2002-2006 Chevrolet Tahoe
2002-2006 GMC Yukon
2001-2006 GMC Yukon XL 1500
2001-2006 GMC Yukon XL 2500
2001-2005 Pontiac Montana

Genuine GM Part Number: 88891836