Shop 2003 Cadillac Escalade EXT Accessory Drive Belt Idler Pulley. 5.7 liter. All Models; 3.4L, 5.7L Liter, Worn, BELTS, May - OEM Cadillac Part # 12564401 (12558185)

Pulley. Idler. Assembly - Belt. Accessory Drive Belt. Serpentine.
Accessory Drive Belt Idler Pulley. For Serpentine Belt.

Accessory Drive Belt Idler Pulley

Fits Camaro, Corvette, Firebird

5.7 liter. All Models; 3.4L, 5.7L. Corvette. Drive belt. W/AC, 5.7 liter.
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.