GM 11.5" Rear Axle Assembly 01-07 2500 3500, 4.11 - USA Standard

11.5" GM 2500/ 3500 Rear End Axle Assembly, 4.11 gear ratio. Standard Open Differential, fits model years 2001-07, w/ 1410 U/JOINT 1.181" / 30mm CAP. Replacement rear axle assemblies from USA Standard come complete with all differential components in one part number for easy, bolt-on installation.