GMC Sierra 2500 HD Differential Replacement

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

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

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin. Rat;Manual Locking Hubs Are Recomnd For Some Appl.; 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

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

30 Spline GM 10.5 in Rear; Yukon Grizzly Locker; 30 Spline; Installs into Standard Open Carrier Case; Diffenetial has 14 Bolt Cover & Removable Pinion Support~GM 10.5 in; 14 Bolt Cover; 30 Spline

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

40 Spline

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

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in.; Rear 8.6 in. Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

10.5 in. 14 Bolt; 4.10 And Down GM 10.5 in; 14 Bolt Cover; 4.10 And Down~Yukon Dura Grip Positraction; GM 10.5 in. / 14T Rear; 14 Bolt Cover; 30 Spline; 4.10 And Down or Thick Gears

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

Open To Lock; 35 Spline; 4.56 Gear Ratio Up Dana 60

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

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

Open To Lock; 30 Spline; 4.56 Gear Ratio Up Dana 60

Open To Lock; 35 Spline; 4.10 Gear Ratio Down Dana 60

Open To Lock; 30 Spline; 4.10 Gear Ratio Down Dana 60

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