Coolant Overflow Tank Fits 2001-2006 GMC Sierra 3500 2500 HD Yukon 6.0L 8.1L

2001-2006 Sierra 2500 HD 6.0L 8.1L. 2001-2006 Silverado 2500 HD 6.0L 8.1L. 2007 Silverado 2500 HD Classic 6.0L 8.1L. 2007 Sierra 2500 HD Classic 6.0L 8.1L. 2001-2003, 2005-2006 Sierra 1500 HD 6.0L. 2007 Sierra 1500 HD Classic 6.0L.