This is a genuine AAM pinion yoke that shows to fit GM trucks with either the 10.5 or 11.5 rear differential in a 1480/1485 series. These show to be used in 2010 and newer trucks, but can also be used for earlier applications when upgrading to the larger universal joints. This is was also with a balancer as part number 40082168, but that part number is not available. This replaces GM part numbers 19210699 and 85550100. Shipping is a flat $10.00 in the continental U.S.