Rear Axle for Yukon Tahoe Sierra

Original axle, we add it with a driveshaft; the customer complains about something with the arm. Fits Tahoe 2000/2006. And Yukon 2000/2010. And Suburban 2000/2010 size 2500. Van Savana 2003/2020 size 2500. Sierra 2000/2006 size 1500 double. Sierra 2000/2010 size 2500. And Sierra Silverado 2500 8 stud 2000/2010