Alternator JFZ19104 Specification: Voltage (V): 14V Amperage (A): 85A Pulley Grooves: 5 Pulley Diameter (mm): 48 . OEM: 0124225010,0124225011,0986042470 Reference: LUCAS:LRB00467,LRB00509,ROVER:GNU2630,GNU2632. Application: GM