USA Standard Bearing and Seal Overhaul Kit has all you need to rebuild that transfer case. Comes with bearings, seals, and gaskets to make the job easy and painless. When you think Quality, think USA Standard. Transfer Case Bearing and Seal Kit Bearings, Seals, and Small Parts Included Made In The USA USA Standard Gear Sold As A Kit Fits 2011-2016 GM Truck with MP1225|MP1226|MP1625|MP1626 Transfer Case Features and Benefits: Magna 1225, 1226, 1625, and 1626 Transfer Case 91110 Input Bearing 31-Spline Rear Output Shaft For Round Adapter Pattern Fits 2011-2016 models Details: AAP_UDA_4: 70 Fitment Notes: MP1225/6 (NQG) Manual Shift, and MP1625/6 (NQF) Electric Shift, Fits Units With the Oval Adapter Pattern, 91110 Input Bearing, and 31 Spline Rear Output Shaft Application Summary: 2011-2016 Chevrolet Silverado 2500 HD (Note: MP1225/6 (NQG) Manual Shift, and MP1625/6 (NQF) Electric Shift, Fits Units With the Oval Adapter Pattern, 91110 Input Bearing, and 31 Spline Rear Output Shaft) 2011-2016 Chevrolet Silverado 3500 HD (Note: MP1225/6 (NQG) Manual Shift, and MP1625/6 (NQF) Electric Shift, Fits Units With the Oval Adapter Pattern, 91110 Input Bearing, and 31 Spline Rear Output Shaft) 2011-2016 GMC Sierra 2500 HD (Note: MP1225/6 (NQG) Manual Shift, and MP1625/6 (NQF) Electric Shift, Fits Units With the Oval Adapter Pattern, 91110 Input Bearing, and 31 Spline Rear Output Shaft) 2011-2016 GMC Sierra 3500 HD (Note: MP1225/6 (NQG) Manual Shift, and MP1625/6 (NQF) Electric Shift, Fits Units With the Oval Adapter Pattern, 91110 Input Bearing, and 31 Spline Rear Output Shaft)