OE:GR3B-19D629-EC / GR3B19D629EC Pulley wheel diameter (mm) (on grooves) 115; Number of grooves 6 Clutch type Electromagnetic; Voltage 12 V Bearing inner diameter 35 mm; Bearing outer diameter 52 mm Bearing width 20 mm; Application FORD MUSTANG 5.0 GT Manufacturer / Equivalent VALEO / ZEXEL Compressor type DKS-17DT