Brand New Differential End Yoke (Pinion Flange) & Pinion Seal Mounts To Rear Driveshaft U-Joint To Rear Axle Differential Fits Models With American Axle 11.5 Inch Rear Ring Gear Differential Identified by 30mm U-Joint Bearing Cap Compatible With 2003-2005 GMC Sierra 2500 HD 6.0L V8 CNG VIN:U Compatible With 2003-2006 GMC Sierra 2500 HD 6.0L V8 VIN:U Compatible With 2001-2003 GMC Sierra 2500 HD 6.6L V8 Turbo DIESEL VIN:1 Compatible With 2004-2006 GMC Sierra 2500 HD 6.6L V8 Turbo DIESEL VIN:1,2 Compatible With 2001-2006 GMC Sierra 2500 HD 8.1L V8 VIN:G Compatible With 2007 GMC Sierra 2500 HD Classic 6.0L V8 VIN:U Compatible With 2007 GMC Sierra 2500 HD Classic 6.6L V8 Turbo DIESEL VIN:D Compatible With 2007 GMC Sierra 2500 HD Classic 8.1L V8 VIN:G Compatible With 2003-2005 GMC Sierra 3500 6.0L V8 CNG VIN:U Compatible With 2001-2006 GMC Sierra 3500 6.0L V8 VIN:U Compatible With 2001-2006 GMC Sierra 3500 6.6L V8 Turbo DIESEL VIN:1 Compatible With 2001-2006 GMC Sierra 3500 8.1L V8 VIN:G Compatible With 2007 GMC Sierra 3500 Classic 6.0L V8 VIN:U Compatible With 2007 GMC Sierra 3500 Classic 6.6L V8 Turbo DIESEL VIN:D Compatible With 2007 GMC Sierra 3500 Classic 8.1L V8 VIN:G Specs: 30 Spline; 1.750 Inch Insdie Diamater; 7.25 Inch Outside Diamater; 1.56 Inch Flange Thickness Replaces 12471501
