Aftermarket Denso Voltage Regulator IN4480

Specifications MFR:DENSO DIM 1:B-CIRCUIT DIM 2:TERMINALS C L FR FEATURE 1:100% New SPECS FOR:Denso Hairpin IR/IF SPECS:12 Volt USED ON Hyundai (2015-2021) ** Kia (2015-2022) Replaces Denso GC7A 4480 LESTER NUMBERS 11953, 20997 UNIT NUMBERS Denso 104211-8590, 104211-8591, 104211-8790, TN104211-8790; Hyundai 37300-2G051, 37300-2G061; Kia 37300-2G051, 37300-2G061 Hyundai Car Sonata L4 2.0L 1998cc 122cid VIN B 2015-2019 Sonata L4 2.4L 2359cc VIN F 2015-2019 Hyundai Truck Santa Fe L4 2.0L 1998cc 122cid 2019 Santa Fe L4 2.0L 1998cc 122cid VIN A 2020 Santa Fe L4 2.4L 2359cc 2019 Santa Fe L4 2.4L 2359cc VIN D 2020 Santa Fe Sport L4 2.0L 1998cc 122cid 2017-2018 Santa Fe Sport L4 2.4L 2359cc 2017-2018 Tucson L4 2.4L 2359cc 2018-2019 Tucson L4 2.4L 2359cc VIN L 2020-2021 Kia Car Optima L4 2.0L 1998cc 122cid Turbocharged 2016-2019 Optima L4 2.0L 1998cc 122cid Turbocharged VIN 2 2020 Optima L4 2.4L 2359cc VIN 3 2016-2020 Kia Truck Sorento L4 2.0L 1998cc 122cid Turbocharged 2016-2018 Sorento L4 2.4L 2359cc 2015-2019 Sorento L4 2.4L 2359cc VIN 3 2020 Sportage L4 2.0L 1998cc 122cid VIN 6 2017-2021 Sportage L4 2.0L 1998cc 122cid 2017-2022 Sportage L4 2.4L 2359cc 2017-2022 Features & Benefits Precision aftermarket replacement part Regulates alternator output voltage Helps maintain proper battery charging Supports stable charging system performance Manufactured to match original specifications Designed for dependable long-term operation Ideal for alternator rebuilding and repair Cross-referenced to OEM and aftermarket part numbers     What Does a Voltage Regulator Do? The voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system. A properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance.     Common Signs Replacement Is Needed Replace the voltage regulator if you notice: Battery overcharging Battery not charging Low charging voltage High charging voltage Battery warning light illuminated Intermittent charging problems Headlights that brighten or dim with engine speed Charging system failure during testing Voltage regulator failure discovered during alternator rebuilding     Installation Recommendations Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage. Always verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance.     While You're Rebuilding Inspect other common wear components to help maximize charging system reliability: Bearings Brushes Brush Holder Slip Rings Rectifier Diodes Rotor Clutch Pulley Insulators     Why Buy From RC Auto Electric? RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.     Disclaimer Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original part, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.