11.5" cases and spiders came in two different sizes, with large and small hub sizes on the side gears. Small hub diameter is 1.816" and came in '07 & down GM differentials. Large hub diameter is 2.060" and came in '08 & up GM differentials and all Dodge differentials. This is a universal spider gear kit with adapters to fit either design. The early cross pin shaft included in the kit works with snap ring design carrier only.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2013 | Chevrolet | Express 3500 | Base |
| 2011-2013 | Chevrolet | Express 3500 | LS |
| 2011-2013 | Chevrolet | Express 3500 | LT |
| 2001-2004 | Chevrolet | Silverado 2500 | Base |
| 2001-2004 | Chevrolet | Silverado 2500 | LS |
| 2001-2004 | Chevrolet | Silverado 2500 | LT |
| 2004 | Chevrolet | Silverado 2500 | WT |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2015 | Chevrolet | Silverado 2500 HD | High Country |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2015 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2015 | Chevrolet | Silverado 2500 HD | LTZ |
| 2003-2015 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2015 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2015 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2015 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2015 | Chevrolet | Silverado 3500 HD | WT |
| 2002-2004 | GMC | Sierra 2500 | Base |
| 2001-2002 | GMC | Sierra 2500 | SL |
| 2001-2004 | GMC | Sierra 2500 | SLE |
| 2001-2004 | GMC | Sierra 2500 | SLT |
| 2003-2004 | GMC | Sierra 2500 | WT |
| 2002-2005,2015 | GMC | Sierra 2500 HD | Base |
| 2011-2015 | GMC | Sierra 2500 HD | Denali |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2015 | GMC | Sierra 2500 HD | SLE |
| 2001-2015 | GMC | Sierra 2500 HD | SLT |
| 2003-2014 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2015 | GMC | Sierra 3500 HD | Base |
| 2011-2015 | GMC | Sierra 3500 HD | Denali |
| 2007-2015 | GMC | Sierra 3500 HD | SLE |
| 2007-2015 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
| 2013-2014 | Ram | 2500 | Big Horn |
| 2011-2014 | Ram | 2500 | Laramie |
| 2014 | Ram | 2500 | Laramie Limited |
| 2011-2014 | Ram | 2500 | Laramie Longhorn |
| 2013-2014 | Ram | 2500 | Lone Star |
| 2012-2014 | Ram | 2500 | Outdoorsman |
| 2011-2014 | Ram | 2500 | Power Wagon |
| 2011-2014 | Ram | 2500 | SLT |
| 2011-2013 | Ram | 2500 | ST |
| 2013-2014 | Ram | 2500 | Tradesman |
| 2013-2016 | Ram | 3500 | Big Horn |
| 2011-2016 | Ram | 3500 | Laramie |
| 2014-2015 | Ram | 3500 | Laramie Limited |
| 2011-2016 | Ram | 3500 | Laramie Longhorn |
| 2016 | Ram | 3500 | Limited |
| 2013-2015 | Ram | 3500 | Lone Star |
| 2011-2016 | Ram | 3500 | SLT |
| 2011-2013 | Ram | 3500 | ST |
| 2013-2016 | Ram | 3500 | Tradesman |