This is a complete 2009-2012 Replacement for Ford F-150 Drive Shaft 2 Wheel Drive reg cab & 8' box w/auto trans & 145" wheel base.The Original Equipment Drive Shaft has a center bearing that can not be serviced. The Drive Shaft we offer comes with a serviceable center bearing, grease able U-Joints and is fully balanced. Front Section = approx 28 1/8" band to band (weld to weld) Rear Section = approx 32 5/8" band to band (weld to weld) This shaft fits 2009-2012 F150 with these SKU# which is located on a sticker attached to the drive shaft tubing. (shaft can stay in truck to do this) 9L34-4K145-D 9L3Z-4R602-D 9L34-4K145-DF 9L3Z-4R602-DF AL34-4K145-HA AL3Z-4R602-HA AL34-4K145-HB AL3Z-4R602-HB Our shaft comes complete with servicable and greaseable u-joints and is a fully balanced witch eliminates the need for round dampner on the transfer case yoke. This Driveshaft comes with a 90 day Warranty. Warranty valid under normal use only (snowplowing, mud pulls, suspension alteration ect.) will void warranty.