Add to Cart Quick view Alternator 7157MN 400-12031 7157MN MSRP: Now: $232.77 Was: AlternatorReplace OEM(s): DelcoFamily: Delco 27SIFamily Type: 100For: Delco 27SI/100 Series 100 Amp/12 Volt, CW, wo/ PulleyUsed On: GM 1980-86.Amps: 100 AmpsCondition: RemanufacturedDesign: IR/EFFan... MSRP: Now: $232.77 Was: Add to Cart Quick view