Brand New Voltage Regulator Alternator Charging System For 1979-1988 Nissan L4 SOHCVoltage 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-specs2098379 23215B9800 23215F2500 23215P2500 23215Q4601 23215Q4602 495757101 495757301 23133D0200 23133Q4601 23133W1606 23133W7101 VR162 VR592 1V1234 VR750