74046293 GM/Dodge 2500/3500 AAM 11.5" Rear Differential Internal Spider Gear Kit
Technical Notes: AAM 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 spider gear kit is a large hub design. FITS: 2003+ Dodge 11.5 and 2007+ GM 11.5
Technical Notes: AAM 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 spider gear kit is a large hub design. FITS: 2003+ Dodge 11.5 and 2007+ GM 11.5