This Alternator for Chevy auto and light truck vehicles has the following specifications: Voltage: 12, Rotation: CW, Amperage: 125, Clock: 1, Pulley Class: S6, Regulator: IR, Fan Type: IF. Our high-performance alternator fits and performs like ARROWHEAD: ABO0241, BOSCH: 0-124-425-032, GENERAL MOTORS: 10335497, J & N: 400-24062, LESTER: 11185, REMY LIGHT DUTY: 12754, WAI: 11185N. For auto and light truck units like Chevrolet 3.5L(213) V6 Impala 2006-2010 and Monte Carlo 2006-2007.