PCV Tube is a direct fit for the following:

2007-2008 Cadillac Escalade
2007-2008 Chevrolet Avalanche
2007-2008 Chevrolet Silverado
2007-2008 Chevrolet Suburban
2007-2008 Chevrolet Tahoe
2007-2008 GMC Sierra
2007-2008 GMC Yukon
2008 Hummer H2

Genuine GM Part Number: 19435539