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. Greaseable Drive Shaft – No; Drive Shaft Wall Thickness (in.) – .125 in; Overall Length Adjustable – No; Drive Shaft Length (in) – 86.98 in FEATURES: Guaranteed precision fit for easy installation 100% NEW, highest quality ISO/TS 16949 – tested to meet or exceed OEM specifications Engineered to provide exceptional durability, backed by a one-year, unlimited mileage warranty SPECIFICATIONS: INTERCHANGE WITH THE FOLLOWING PART NUMBERS: 91-01426 N, 91-01426N, 15077431, 19101426-101 FITS THE FOLLOWING Year Make Model Details 1999 – 2000 Chevrolet Silverado 2500 – 4WD – 4-Speed Automatic Transmission – Extended Cab – 8-Foot Bed – 157.5-Inch Wheelbase – Rear Shaft 1999 – 2000 GMC Sierra 2500 – 4WD – 4-Speed Automatic Transmission – Extended Cab – 8-Foot Bed – 157.5-Inch Wheelbase – Rear Shaft