Description
Vehicle Compatibility & OE Cross Reference
Alternator voltage regulator for select Hyundai applications where the original regulator matches an IDL Sense plug type and the same charging characteristics. Listed for Hyundai Elantra 1.8 and 2.0, Hyundai Accent, and Hyundai Tiburon 2.0 applications. Confirm fitment by matching the regulator plug style and OE number before ordering.
OE Numbers By Brand
- Kia: 37370-22200
Application Note
Referenced as REG5021 12V J2 regulator for Hyundai Elantra, Accent and Tiburon applications where the original regulator matches OE 37370-22200.
Specifications
- Reference: REG5021
- Part Type: Alternator Voltage Regulator
- System Voltage: 12V
- Charging Voltage: 14.2V
- Operating Voltage: 14V
- Plug Type: IDL Sense
- Lamp Function: Active Lamp
- OE Number: Kia 37370-22200
Features
- Regulates alternator field current to maintain stable battery charging on compatible 12V systems
- 14.2V charging specification for the listed Hyundai alternator applications where required
- IDL Sense plug interface to match the specified regulator connection format
- Active lamp function for supported instrument cluster charging warning circuits
- Useful for alternator overhaul work where the original regulator matches OE 37370-22200
Why Buy From Us
- Local South African stock with nationwide courier delivery
- 12-month warranty subject to correct application and installation
- Fitment support using alternator labels, regulator markings and plug photos
- Trusted by workshops and DIY customers for reliable charging system components
Trusted by thousands of South African drivers for quality and durability.
Installation & Maintenance Tips
- Disconnect the battery before alternator removal or regulator replacement
- Confirm the regulator plug style matches IDL Sense and cross check OE 37370-22200 before fitting
- Inspect brushes and slip rings while the alternator is open and replace worn parts as required
- Ensure battery terminals and earth connections are clean and tight to prevent voltage drop and repeat failures
- After installation, verify charging voltage at idle and under load to confirm stable regulation
- If you are unsure about alternator repairs, have the regulator fitted and tested by a qualified auto electrician
Important: Product information, kit contents and compatibility are provided as a guide and may contain errors or omissions. Please verify that this part and any included components are correct for your vehicle before installation. For full details see our Website Disclaimer (Errors & Omissions).