Chevrolet Colorado 4WD/RWD Rack End Inner 2006-2012 LR51 Chevrolet Colorado 4WD/RWD Rack End Inner 2006-2012 LR51 Rack End. The Make is Chevrolet, Model is Colorado and year was for 2006, 2007, 2008, 2009, 2010, 2011, 2012. OEM LR51 EV800300 4H0-422-810A 4H0-422-810 19179724 19152664 8-19152-663-0 8-19179-724-0 8-1952-663-0 APLICATIONS Make Model Year Range Position Drive Wheel Chevrolet Colorado 2006-2012 Inner 4WD Chevrolet Colorado 2006-2012 Inner RWD GMC Canyon 2006-2012 Inner 4WD GMC Canyon 2006-2012 Inner RWD SPECIFICATIONS Length 280mm Outer Tie Rod Thread M16 X 1.5-6G Rack End Thread M16 X 1.5-6G Socket Flat Outer Diameter 35.56mm