Brand New Voltage Regulator Alternator Charging System For 1969-1917 Pontiac Chevlolet Buick Oldsmobile and GMCVoltage regulators control the charging voltage that the alternator outputs,generally keeping it between 13.5 and 14.5 V, to protect the electricalcomponents throughout the vehicle. When not replaced, the battery candischarge or over charge (causing battery damage), the engine will die, thecheck engine light will illuminate, or alternator damage may occur. AIPElectronics voltage regulators are designed to meet or exceed OEspecifications in form, fit and function to protect your electrical systems.Manufacturer: AIP Electronics100% New ConstructionHigh Quality OEM Replacement/OES PartFit and Quality GuaranteedReady for Install Straight out of the boxChannelSaleTech-specs1116368 1116380 1116384 1116385 1116387 1116392 1116423 1116439 1172893 1308106 303301699 358228 3N3754 8125176 8125716 83300084 83505214 8983505214