Shop OEM GENERAL MOTORS Part # 10129560. Accessory Drive Belt Idler Pulley. 4.3 LITER, w/AC. 5.0 & 5.7 LITER, w/AC. 5.7 liter, w/AC. 6 cylinder. S-Series; 4.3L. W/AC, 5.7 liter. W

Pulley. Idler. Accessory Drive Belt. Serpentine.
Accessory Drive Belt Idler Pulley. For A/C Belt.

Accessory Drive Belt Idler Pulley

4.3 LITER, w/AC. 5.0 & 5.7 LITER, w/AC. 5.7 liter, w/AC. 6 cylinder. S-Series; 4.3L. W/AC, 5.7 liter. W/fuel injection.
Drive Belt Idler Pulley - Repair or Replace
If you've noticed that the drive belt on your is becoming worn or is making a squealing noise, your drive belt idler pulley may be worn out. Replacing your drive belt idler pulley may be the solution.