HomeElectrical, Charging and Starting > Voltage RegulatorStandard Ignition VR-590 Voltage Regulator
Part #: VR-590

Standard Ignition VR-590 Voltage Regulator

⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, Legend
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Reliable Charging System Voltage Regulator for Acura Legend

The Standard Ignition VR-590 Charging System Voltage Regulator is designed specifically for the Acura Legend, ensuring consistent voltage control and optimal alternator performance. This voltage regulator helps maintain a stable 12-volt output, protecting your vehicle's electrical system from fluctuations.

  • Connector Gender: Female with 1 round connector
  • Dimensions: 90.17 x 56.896 x 32.766 mm (3.55 x 2.24 x 1.29 inches)
  • Terminal Type: 4 male blade terminals for secure electrical connections
  • Mounting Location: Directly mounts on the alternator
  • Voltage Rating: 12 volts, compatible with standard automotive electrical systems
  • No hardware, mounting brackets, or instructions included

Product Details and Specifications

The VR-590 voltage regulator from Standard Ignition is engineered to fit the alternator of Acura Legend models, providing precise voltage regulation to prevent overcharging or undercharging of the battery. Its female round connector and four male blade terminals ensure a reliable electrical connection, while the compact dimensions allow for easy installation on the alternator. This part is designed without additional hardware or mounting brackets, so it is intended for direct replacement in compatible vehicles.

Compatible Vehicles and Applications

This charging system voltage regulator is compatible with Acura Legend vehicles requiring a 12-volt regulator with the specified connector and terminal configuration. It is ideal for addressing issues related to alternator voltage regulation, including:

  • Battery overcharging or undercharging
  • Intermittent electrical system failures
  • Dim or flickering dashboard lights
  • Alternator warning light activation
  • Unstable engine performance due to electrical inconsistencies

Installation Notes and Tips

Installation of the Standard Ignition VR-590 voltage regulator requires removal of the old regulator from the alternator. Ensure the vehicle's battery is disconnected before beginning installation to avoid electrical hazards. The part mounts directly on the alternator using existing mounting points. Since no hardware or instructions are included, refer to the Acura Legend service manual for detailed installation procedures and torque specifications.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The VR-590 voltage regulator undergoes rigorous quality control to ensure reliable performance in the Acura Legend charging system. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary.

BrandStandard Ignition
Part NumberVR-590
Connector GenderFemale
Mounting LocationAlternator
Terminal GenderMale
Voltage12

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1995AcuraLegendN/A
1994AcuraLegendN/A
1993AcuraLegendN/A
1992AcuraLegendN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1V101327-186029-020831150PR7A0189058297R845RAA3115VR249VR963

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.