Std Rear Driveshaft GM Silverado & Sierra 1500 & 2500, 54-1/2 Inch Ctc USA Standard Gear1999 2000 GM Silverado and Sierra 1500 and 2500 Rear OE Driveshaft Assembly ZDS9527 USA Standard. Replacement driveshafts from USA Standard Gear provide a reliable and affordable solution when looking to replace a worn or broken driveline. Each shaft is Made in America and manufactured to strict tolerances to ensure you receive a product that is precision balanced with minimal runout. Backed by a limited lifetime warranty, you can trust in USA