4WD Transfer Case Switch is a direct fit for the following:

2002 Cadillac Escalade
2002 Chevrolet Avalanche 2500
1999-2002 Chevrolet Silverado 1500
2001-2002 Chevrolet Silverado 1500 HD
1999-2002 Chevrolet Silverado 2500
2001-2002 Chevrolet Silverado 2500 HD
2000-2002 Chevrolet Suburban 3500
2000-2002 Chevrolet Tahoe
1999-2001 GMC Sierra 1500
2001-2002 GMC Sierra 1500 HD
1999-2002 GMC Sierra 2500
2000-2002 GMC Yukon
2001-2002 GMC Yukon XL 1500
2000-2002 GMC Yukon XL 2500

Genuine GM Part Number: 19168767