Remy 12748 Alternator

Remanufactured Alternator for Hyundai and Kia

The Remy Premium Remanufactured alternator, part number 12748, is a 12-volt charging system component built for select Hyundai and Kia applications. It delivers 110 amps of output with an internal voltage regulator, internal fan, clockwise rotation, and an included pulley for OE-style replacement service.

Key Features

• 110-amp amperage rating for stable charging output
• 12-volt alternator with internal voltage regulator
• Internal fan design for charging system cooling
• Clockwise rotation
• Pulley included
• Remanufactured to Premium Remanufactured standards
• OE manufacturer reference: Valeo

Product Details

Remy part number 12748 is a remanufactured alternator for vehicles originally equipped with a Valeo unit. It is listed for 2010-2013 Kia Forte, 2010-2013 Kia Forte Koup, 2012-2013 Kia Forte5, 2010-2012 Kia Rondo, 2009-2010 Kia Magentis, 2010 Kia Optima, 2006-2009 Kia Optima, 2007-2009 Kia Rondo, 2006-2008 Hyundai Sonata, 2009-2010 Hyundai Sonata, and 2006-2008 Kia Magentis. This part cross-references 37300-2G100 and TG11C076 for the same application.

What This Alternator Helps Address

• Battery warning light caused by low charging output
• Dim headlights or electrical accessories that lose power at idle
• Repeated battery discharge from an underperforming alternator
• Charging system noise related to worn internal components
• Voltage instability in Hyundai Sonata and Kia Forte charging systems

Installation Notes and Tips

Verify OE-style fitment by matching the original alternator’s amperage rating, rotation direction, pulley configuration, and regulator type before installation. This alternator is listed for Hyundai Sonata and Kia Forte applications with specific hydraulic power steering or Valeo-unit notes, so confirm the vehicle build details against the catalog fitment before replacement. Inspect the battery, belt condition, and charging circuit connections during installation to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured components are remanufactured electrical parts built to match the original application requirements for fit and function. Part number 12748 is specified as a remanufactured Valeo-style alternator for select Hyundai and Kia charging systems.