GMC Yukon Differential Spool Replacement

10 Bolt with 30 Spline Teeth with GM 8.5 Axle

8.5 in. 10 Bolt; For Use w/30 Spline Axles GM 8.5 in.; For Use w/30 Spline Axles

For GM 8.5" (10 Bolt); 30 Spline; Full Spool; 2.73 Carrier and Up; 1999 And Later Requires Use Of Bearing LM603049 And Race LM603012; 1998 And Earlier Use Bearing LM102949 And Race LM102911; 45 Degree Pressure Angle; C-Clip Eliminator Required

8.6 in./8.5 in. 10 Bolt; For Use w/30 Spline Axles; Steel GM 8.5 in.; For Use w/30 Spline Axles; Steel

with GM 10.5 Axle 14 Bolt Case Split 4.10 And Down with 30 Splines