SCITOO Alternator 110A 12V with 6-Groove Pulley | OEM Replacement for Hyundai Sonata 2010-2013 & Kia Optima 2011-2013 | 11491 37300-2G150

Power your daily drive with the SCITOO Alternator 110A 12V, a direct OEM-style replacement designed for Hyundai Sonata 2010–2013 and Kia Optima 2011–2013 equipped with a 2.4L engine. This unit is crafted to slot into your electrical system with minimal fuss, preserving fit, wiring compatibility, and mounting alignment. It delivers clean electrical output while maintaining a compact, lightweight profile that helps the engine bay feel a little less crowded. With this replacement, you can expect a seamless swap that keeps essential systems—headlights, climate control, infotainment—performing as intended on busy mornings and long road trips.

Fitment and performance at a glance

This SCITOO alternator is built to work as a direct upgrade for your vehicle’s electrical system, balancing power with reliability while staying within the space and mounting constraints of modern engines.

• High-output 12V system delivering 110A to support modern electronics and daytime loads
• 6-Groove pulley designed to align with common belt configurations for a hassle-free install
• Internal regulator for steady voltage delivery across varying engine speeds
• Internal cooling fan to help maintain performance under heavier electrical demand
• New construction with CNC machined castings and OE-standard bearings for durability
• Direct OEM replacement with properly measured mounting points for a precise fit

Durability meets real-world testing

• Bearing and component testing aligned with OE expectations to ensure long-life performance
• Rigorous cycling and quality checks designed to mirror daily driving stresses
• Clear OE reference alignment (11491 37300-2G150) to aid compatibility decisions

Installation, fit, and usage tips

• Direct OEM-style replacement simplifies installation for compatible Sonata and Optima models
• Follow standard belt tension guidelines and torque specs for secure mounting
• Disconnect the battery negative terminal before work to ensure safety and prevent shorts

In everyday use, you may notice steadier power delivery for headlights, infotainment, and charging devices, especially during longer drives or when electrical loads are high. While outcomes depend on your vehicle’s overall condition, SCITOO offers a dependable option when the original unit shows signs of wear.