Mount bracket. PRIMARY. W/SUPERCHARGER. A Bracket for a a/c drive belt Idler Pulley. A Bracket for a engine cooling fan Pulley. Accessory Drive Belt Idler Assembly. For Alternator Belt. From Chassis/VIN HA000943. To Chassis/VIN HA000942.. Accessory Drive Belt Assembly. Air Conditioning (A/C) Drive Belt. Engine Cooling Fan. Mount. Serpentine.