GMC Sierra 3500 Differential Replacement

30 Spline; 1.50 in. Axle Shaft Diameter; Rear 10.5 in.; All Ratios Replaces Conventional Diff. Internals In Certain 1973 Thru Present GM Axles~If Installed In GM Axle Equiped w/Optional Eaton Diff. Will Require~New Gear Support Case Assembly GM PN[6258336 Or 6258340] Depending On Ratio

33 Spline; 1.37 in. Axle Shaft Diameter; 9.5 in.

30 Spline; 1.50 in. Axle Shaft Diameter; 4.10 And Down Ring Gear Pinion Ratio; Rear 10.5 in.

GM 10.5 in.; 14 Bolt; 30 Spline; 4.10 And Down Ring Gear Pinion Ratio; 1.50 in. Axle Shaft Diameter

35 Spline; 1.60 in. Axle Shaft Diameter; 4.10 And Up Ring Gear Pinion Ratio; Rear Dana 80

30 Spline; Rear 11.5 in.; 1.55 in. Axle Shaft Diameter; All Ratios

30 Spline; 1.55 in. Axle Shaft Diameter; Rear 11.5 in.; All Ratios

11.5 in.; 30 Spline GM 11.5 in. Rear; Yukon Grizzly Locker; 30 Spline; 12 Bolt Carrier;~GM 11.5 in.; 30 Spline

38 Spline GM 11.5 in. Rear; Yukon Grizzly Locker; Aftermarket 38 Spline Carrier Upgrade; Requires 38 Spline Axles~GM 11.5 in.; 38 Spline

11.5 in.; Helical Gear Type GM 11.5 in.; Helical Gear Type