Axle Specifications - Overall Length: 21 11/16 inch ; Inner Spline: Bolt on 6 Holes ; Outer Spline: 33 ; Inner Shape: Can ; ABS on Axle: No Fitment - Fits 4WD Models with 6-Lug Wheels Only. Replacement for 2002 2003 2004 2005 2006 Chevrolet Avalanche 2500 - [2001 Chevrolet Silverado 1500 HD] - 2007 Chevrolet Silverado 1500 HD Classic - [1999-2004 Chevrolet Silverado 2500] - 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Chevy Silverado 2500 HD - [2007 Chevy Silverado 2500 HD Classic] - 2001-2006 Chevy Silverado 3500 - [2007-2010 Chevy Silverado 3500 HD] - 2007 Chevy Silverado 3500 Classic - [2000-2013 Chevy Suburban 2500] Fitment - Fits 4WD Models with 6-Lug Wheels Only. Replacement for 2001 GMC Sierra 1500 HD - [1999 2000 2001 2002 2003 2004 GMC Sierra 2500] - 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 GMC Sierra 2500 HD - [2001 2002 2003 2004 2005 2006 GMC Sierra 3500] - 2007 2008 2009 2010 GMC Sierra 3500 HD - [2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 GMC Yukon XL 2500] - 2007 GMC Sierra 1500 HD Classic - [2007 GMC Sierra 2500 HD Classic] - 2007 GMC Sierra 3500 Classic - [2003 2004 2005 2006 2007 2008 2009 HummerH2] Interchange - 66-1325, 60-1325, 66-1325HD, 60-1325HD, GM-8026, GM-9308, GM-8-308. Package Details - 2x Front Driver and Passenger CV Axle Drive Shaft - 60-1325 Warranty & Service - 10-Year Warranty AUTOCLUB Front for 2002 2003 2004 2005 2006 Chevy Avalanche 2500 CV Axle, for Silverado Suburban GMC Sierra Yukon XL 1500 2500 3500 HD CV Axle Front Driver Passenger Side Replacement [6-Lug 4WD]