KarParts360 For Cadillac Seville 1993-2004 Automatic Belt Tensioner | Steel AISI 1008 Pulley Material | Serpentine Belt | 17 Millimeters Inside Diameter | 20 Millimeters Maximum Belt Width | 12557838

Part: Automatic Belt Tensioner OEM Number: 12557838 Pulley Material: Steel AISI 1008 Belt Type: Serpentine Brand New - Sealed in a BoxYou may also like Genuine AC Delco For GMC G1500/G2500/G3500 1990 1991 Heavy Duty V-Ribbed Serpentine Belt | 6 Rib | Black/Green | EPDM Rubber | 0.79 in/20 mm Top Width.