Restore Charging Power: Experiencing hard starts, battery warning lights, dim lights, or AC malfunctions? Replacing your alternator with this dependable high output alternator may fix those issues and help avoid costly shop visits Durable Materials: Our automotive replacement alternator is built with high-temp-resistant copper coils and a lightweight aluminum housing with cooling fan. This combo improves heat dissipation and conductivity while withstanding tough conditions Stable Performance: This alternator replacement delivers efficient 12V DC output to power your vehicle's systems. The 6-groove pulley ensures a steady, non-slip drive up to 6000 RPM—keeping ignition, lighting, and infotainment running smoothly OE-Level Fit & Precision: The car alternator is designed to match multiple part numbers with high accuracy: 11491, 37300-2G150. The mounting points and connectors align just like the factory original Vehicle Compatibility: Our alternator works great on mid-size sedans. It fits Hyundai 2010-2013 Sonata 2.4L, and Kia 2011-2013 Optima 2.4L