2006 GMC Yukon XL 1500 Driveshaft w/ Option Code # JL4; w/ Active Brake Control - Tube length of 25 in. from weld to weld, w/ active brake control - Front guaranteed to replace your current 2006 GMC Yukon XL 1500 Driveshaft w/ Option Code # JL4; w/ Active Brake Control - Tube length of 25 in. from weld to weld, w/ active brake control - Front. 2006 GMC Yukon XL 1500 Driveshaft comes new OEM 2006 GMC Yukon XL 1500 Driveshaft aftermarket new 2006 GMC Yukon XL 1500 Driveshaft of remanufactured 2006 GMC Yukon XL 1500 Driveshaft w/ Option Code # JL4; w/ Active Brake Control - Tube length of 25 in. from weld to weld, w/ active brake control - Front.