BSAL157X BOSCH PROFESSIONAL PREFERRED ALTERNATOR, REMANUFACTURED -- Does not include pulley; Designed with 100 percent tested rectifier, voltage regulator and new high quality bearings; Features 100 percent exhaustive multipoint quality and performance testing; Ensures cranking and starting performance under all temperature extremes; Provides longer life and vibration free, quiet operation; Delivers increased brush life and reduced electrical interference on computer controlled vehicles; Ensures stable voltage output and eliminates short and open circuits; Provides unsurpassed reliability under extreme conditions; With 2-year Bosch warranty. 028851601573