Choose Options Quick view Rectifier 31-125 172-12011 31-125 MSRP: Now: $11.91 Was: RectifierReplace OEM(s): DelcoFor: Delco 15SI Series 70A Positive Ground IR/EF AlternatorssUsed On: Delco 70-85A 15SI AlternatorsBrand: RegitarBrush Holder Included: NoComponents: 24-5202-2... MSRP: Now: $11.91 Was: Choose Options Quick view