Add to Cart Quick view Regulator D590S 230-12058 D590S MSRP: Now: $68.79 Was: RegulatorReplace OEM(s): DelcoFor: Delco 20DN Series AlternatorssUsed On: Delco 20DN AlternatorsActivation: IgnitionAdjustable: YesBrush Holder Included: NoCircuit Type: B-CircuitCondition:... MSRP: Now: $68.79 Was: Add to Cart Quick view