Grezuton Alternator 11710N 150A 12V Replacement for 2014-2015 Kia Optima & 2012-2016 Hyundai/Kia 2.0L-2.4L — CW, 6-Groove

The Grezuton 11710N alternator is a direct-fit, high-output 150A, 12V replacement designed to restore charging performance in select 2012–2016 Kia and Hyundai 4‑cylinder vehicles.

If your Optima, Sorento, Santa Fe Sport or Sonata is experiencing battery drain, dimming lights, or inconsistent charging, this alternator is engineered to meet the factory electrical specifications and fitment for the listed models. Built with a die-cast aluminum housing and pure copper windings, the unit balances durability with efficient current delivery. It replaces several OEM numbers (including 37300-2G800 series) and includes features such as a clockwise rotation, six-groove pulley, and an IR/IF regulator/fan configuration.

Which vehicles and engine types will this alternator fit?

This Grezuton alternator fits a range of 2.0L and 2.4L L4 engines across Kia and Hyundai mid-2010s models. Confirm year, make, model and engine code before purchasing to ensure correct fitment. The alternator replaces multiple OEM part numbers, simplifying selection when cross-referencing old units.

• 2014–2015 Kia Optima L4 2.0L and 2.4L
• 2012–2014 Kia Sorento L4 2.4L
• 2013–2016 Hyundai Santa Fe Sport 2.0L and 2.4L
• 2014 Hyundai Sonata 2.4L

How does the Grezuton 11710N deliver reliable charging for modern electrical loads?

Rated at 150 amps, this alternator supplies sufficient current for common electrical systems and accessories found in these vehicles. The pure copper winding and insulated coating enhance conductivity and protect against shorts, while the die-cast housing supports heat dissipation and long-term durability.

• Output: 150 Amp, 12 Volt — suitable for factory electrical loads
• Construction: die-cast aluminum housing for heat management
• Winding: pure copper with external insulation to prevent shorting
• Pulley: 6-groove design for secure belt engagement

What installation and compatibility details should I check before buying?

Although this is a direct-fit replacement, verify plug code, mounting points, and rotation to avoid installation issues. The alternator uses a plug code 348 and is designed for clockwise (CW) rotation; mismatches can affect operation or require adapting brackets or harness connectors.

• Rotation: CW (Clockwise)
• Plug code: 348 — compare to your vehicle harness
• Regulator/fan: IR/IF type — matches common OEM setups
• Number of grooves: 6 — verify belt compatibility

What warranty and quality assurances come with this alternator?

Grezuton backs this alternator with a 12‑month free replacement policy and manufactures under ISO 9001 and IATF 16949 certified processes. That quality control framework covers design, production, and inspection to reduce defects and improve consistency across units.

• 12-month free replacement parts service
• Manufactured under ISO 9001 and IATF 16949 certifications
• Cross-references many OEM numbers for easier sourcing
• Customer support recommended to confirm fit prior to purchase

Who is this for? Mechanics, DIY enthusiasts, and fleet operators seeking a high-output, direct-replacement alternator for mid-2010s Kia and Hyundai 2.0L/2.4L L4 vehicles will find the Grezuton 11710N a practical choice. It’s aimed at buyers who need a durable alternator that matches OEM specifications, restores reliable charging, and arrives with a year‑long replacement backing. Always verify vehicle fitment and electrical connector compatibility before installation to ensure a trouble-free swap.