TRQ BPA03863 Drive Belt Idler Pulley

These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engine. A pulley can be ribbed or smooth and contains a sealed ball-bearing. The idler pulley is used to divert the drive belt to components such as the alternator, water pump or power steering pump. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle GM regularly updates production and service part designs to integrate new materials and technologies