Description
37300-2G500 ALTERNATOR: Hyundai-Kia Theta II Guide
High-Output 12V 110A Charging Unit | Sonata, Santa Fe & Sorento
The 37300-2G500 ALTERNATOR is the primary charging component designed specifically for the Hyundai-Kia 2.4L Theta II petrol engine. By installing this professionally engineered unit, vehicle owners can ensure maximum electrical stability, consistent battery replenishment, and superior structural integrity under high energy demands. This unit is critical for maintaining the cinematic performance and professional response of your vehicle’s original electrical configuration.
37300-2G500 ALTERNATOR Fitment
- Hyundai Sonata (YF): 2.0L / 2.4L 2011–2014
- Hyundai Santa Fe (DM): 2.4L Theta II
- Hyundai Tucson (LM): 2.4L Models
- OE Part: 37300-2G500 ALTERNATOR
- Rating: 110 Amp Output
Technical Specifications
- Kia Sorento (XM): 2.4L MPI/GDI
- Kia Optima (TF): 2.4L Theta II
- Kia Sportage (SL): 2.4L Models
- Engine Code: G4KE / G4KJ / G4KC
- Standard: OE Internal Voltage Regulator
Installation Standards for Charging Systems
Choosing a certified 37300-2G500 ALTERNATOR is vital for the long-term health of your vehicle’s electronic sensors and fuel management modules. This specific component is built to manage heavy electrical loads while protecting the sensitive ECU from voltage spikes. Proper belt tension is key to preventing premature bearing failure; therefore, we strongly recommend browsing our Serpentine Drive Belts to ensure optimal rotation.
Furthermore, to maximize the lifespan of your battery, you may also consider inspecting our High-Torque Starter Motors. Vehicle longevity often depends on the perfect harmony between the cranking and charging systems. While replacing your charging unit, it is professional practice to verify the condition of the Automatic Belt Tensioner. Using the correct 37300-2G500 ALTERNATOR guarantees that your vehicle continues to provide a premium driving experience.
Theta II engines may use different amperage ratings depending on the cabin features and trim level. To ensure this 37300-2G500 ALTERNATOR is the perfect fit for your specific vehicle, please contact us for professional verification using your chassis number.
Note: Images shown are for illustration purposes only and may not be an exact representation of the product.


















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