GM3961S / DBA42051SL/R - Application Notes 2003-2006 Chevrolet Avalanche 2500 2008-2008 Chevrolet Avalanche 2500 2003-2007 Chevrolet Express 3500 1 Ton 2004-2004 Chevrolet Silverado 1500HD Extended Cab 1999-2000 Chevrolet Silverado 2500 w/6.0L 5 Speed 2001-2004 Chevrolet Silverado 2500 Manual Trans 2001-2010 Chevrolet Silverado 2500HD w/2-Wheel Steering 2005-2010 Chevrolet Silverado 2500 2006-2010 Chevrolet Silverado 3500 2WD Single Rear Wheel 2004-2010 Chevrolet Silverado 3500 4WD Single Rear Wheel 2000-2006 Chevrolet Suburban 2500 Late Body w/2-Wheel Steering (4.83" Hub Hole) 2008-2008 Chevrolet Suburban 2500 (4.83" Hub Hole) 2003-2007 GMC Savanna 3500 1 Ton 2004-2004 GMC Sierra 1500HD Extended Cab 1999-2000 GMC Sierra 2500 w/6.0L 5 Speed 2001-2004 GMC Sierra 2500 Manual Trans 2005-2010 GMC Sierra 2500 2001-2010 GMC Sierra 2500HD w/2-Wheel Steering 2004-2010 GMC Sierra 3500 4WD Single Rear Wheel 2000-2006 GMC Yukon XL 2500 Late Body w/2-Wheel Steering (4.83" Hub Hole) 2008-2008 GMC Yukon XL 2500 (4.83" Hub Hole)