GM 10 Bolt 8.6" Rear Axle Assembly 05-07 GM 1500, 3.73 - USA Standard

8.6" GM 1500 Rear End Axle Assembly, 3.73 gear ratio. Standard Open Differential (Opt GT4), fits model years 2005-07, 2WD & 4WD NO YOKE TAB. Replacement rear axle assemblies from USA Standard come complete with all differential components in one part number for easy, bolt-on installation.