Cardone 47-1397 Power Window Motor Improved over original performance, gears are redesigned with a stronger, less brittle material than O.E. to prevent premature wear, striping and breakage Each unit is 100% tested at 3 points in the remanufacturing process for guaranteed performance Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life Motor magnets are 100% recharged for superior performance and reliability All critical bearings are relubricated or replaced to extend product life