Replacing a drive shaft doesn’t have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new clamps, tubes, constant velocity joints (CV joints) and universal joints. Drive Shaft Wall Thickness (in) – 0.12 in; Greaseable Drive Shaft – No; Drive Shaft Length (in) – 33.55 in; Overall Length Adjustable – No FEATURES: Guaranteed precision fit for easy installation 100% NEW, highest quality ISO/TS 16949 – tested to meet or exceed OEM specifications Engineered for exceptional durability, backed by a one-year, unlimited mileage warranty SPECIFICATIONS: INTERCHANGE WITH THE FOLLOWING PART NUMBERS: 91-01901 AN, 91-01901AN, 19101901-101 FITS THE FOLLOWING: Year Make Model Details 2014 Chevrolet Silverado 1500 – 4.3L Engine. – 4WD – Autotrac Transfer Case – Front 2015 Chevrolet Silverado 1500 – 4.3L Engine. – 4WD – Autotrac Transfer Case – Front 2016 Chevrolet Silverado 1500 – 4.3L Engine. – 4WD – Autotrac Transfer Case – Front 2014 GMC Sierra 1500 – 4.3L Engine. – 4WD – Autotrac Transfer Case – Front 2015 GMC Sierra 1500 – 4.3L Engine. – 4WD – Autotrac Transfer Case – Front 2016 GMC Sierra 1500 – 4.3L Engine. – 4WD – Autotrac Transfer Case – Front