Add to Cart Quick view Regulator D3101 230-12155 D3101 MSRP: Now: $29.08 Was: RegulatorReplace OEM(s): DelcoFor: Delco 31SI Series 160-200A IR/EF AlternatorssUsed On: Delco 31SI AlternatorsActivation: IgnitionAdjustable: NoBrush Holder Included: NoCircuit Type:... MSRP: Now: $29.08 Was: Add to Cart Quick view