GM 11.5" Rear Axle Assembly 01-07 3500, 4.11, A/T - USA Standard

11.5" GM 3500 Rear End Axle Assembly, 4.11 gear ratio. Standard Open Differential (GT5) (JH7 BRAKES), fits model years 2001-07, A/T ONLY. Replacement rear axle assemblies from USA Standard come complete with all differential components in one part number for easy, bolt-on installation.