Standard Ignition VR-778 Voltage Regulator

Brand Standard Ignition VR-778
Connector Gender Female
Contents Regulator
Mounting Location Alternator
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Kia and Hyundai · 38 vehicles

Voltage regulator. Controls 12-volt charging system output.

Rectangular connector. Female connector with two blade terminals.

Alternator-mounted design. Directly regulates charging system performance.

Cross-references Standard Ignition VR-778, 37022650 and R2026 for the same application. See all 5.

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Charging System Voltage Regulator for Hyundai and Kia

Standard Ignition VR-778 is a 12-volt charging system voltage regulator that mounts on the alternator and uses a rectangular female connector with two male blade terminals. It is built for direct replacement service on select Hyundai and Kia applications, including Hyundai Accent, Elantra, Tiburon, Tucson, and Kia Rio, Rio5, and Sportage.

Key Features

  • 12-volt charging system voltage regulator
  • Mounts at the alternator
  • Rectangular female connector with 1 connector cavity
  • 2 male blade terminals
  • Compact regulator-only contents
  • Dimensions: 78.232 x 70.358 x 27.686 mm
  • Standard Ignition VR-778 replacement part number

Detailed Product Overview

Standard Ignition VR-778 is a charging system voltage regulator for vehicles that use an alternator-mounted regulator design. It helps control alternator output in 12-volt electrical systems, supporting stable charging performance in applications such as 2004-2011 Hyundai Accent, 2001-2003 Hyundai Elantra, 2005-2008 Hyundai Tiburon, 2005-2009 Hyundai Tucson, 2006-2012 Kia Rio, 2006-2009 Kia Rio5, and 2005-2010 Kia Sportage. This part number also cross-references 37022650 for the same application.

What It Helps Address

  • Charging system voltage fluctuations
  • Alternator output control issues
  • Battery warning light concerns tied to regulator failure
  • Undercharging or overcharging conditions
  • Electrical instability caused by a worn alternator regulator

Installation Notes and Tips

  • Verify connector style, terminal count, and alternator mounting location before installation.
  • Confirm fitment by year, make, and model; this part is listed for 2001-2012 Hyundai and Kia applications.
  • Inspect the alternator and charging circuit for related wear before replacing the regulator.
  • No instructions, mounting brackets, or hardware are included.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and VR-778 is built to match the listed connector, terminal, and mounting configuration for the specified Hyundai Accent, Elantra, Tiburon, Tucson, and Kia Rio, Rio5, and Sportage vehicles. Part number VR-778 is also referenced by interchange number VR1086.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012KiaRioN/A
2011HyundaiAccentN/A
2011KiaRioN/A
2010HyundaiAccentN/A
2010KiaRioN/A
2010KiaSportage2.0LL4N/A
2009HyundaiAccentN/A
2009HyundaiTucson2.0LL4N/A
2009KiaRioN/A
2009KiaRio5N/A
2009KiaSportage2.0LL4N/A
2008HyundaiAccentN/A
2008HyundaiTiburon2.0LL4N/A
2008HyundaiTucson2.0LL4N/A
2008KiaRioN/A
2008KiaRio5N/A
2008KiaSportage2.0LL4N/A
2007HyundaiAccentN/A
2007HyundaiTiburon2.0LL4N/A
2007HyundaiTucson2.0LL4N/A
2007KiaRioN/A
2007KiaRio5N/A
2007KiaSportage2.0LL4N/A
2006HyundaiAccentN/A
2006HyundaiTiburon2.0LL4N/A
2006HyundaiTucson2.0LL4N/A
2006KiaRioN/A
2006KiaRio5N/A
2006KiaSportage2.0LL4N/A
2005HyundaiAccentN/A
2005HyundaiTiburon2.0LL4N/A
2005HyundaiTucson2.0LL4N/A
2005KiaSportage2.0LL4N/A
2004HyundaiAccentN/A
2004HyundaiTiburon2.0LL4N/AFrom 4/3/04
2003HyundaiElantraN/A
2002HyundaiElantraN/A
2001HyundaiElantraN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — VR-77837022650R2026VR1086VR1220