Compatible With/Replacement For: Chevy Colorado: 2004-2006, GMC: Canyon 2004-2006, Isuzu: I-280 2006, I-350 2006 Spec: Unit Type: Alternator, Voltage: 12, Rotation: CW, Amperage: 100, Clock: 5, Pulley Class: S6, Regulator: IR, Fan Type: IF Replaces OEM Numbers: ARROWHEAD: AVA0064, GENERAL MOTORS: 15831639, 97241516, ISUZU: 8972415160, J & N: 400-40039, LESTER: 11047, REMY LIGHT DUTY: 12578, VALEO: SG10S039, SG10S049, SG10S051 100% New aftermarket Alternator built to meet OEM specifications for Chevrolet, Gmc, Isuzu 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.