HomeElectrical, Charging and Starting > Voltage RegulatorStandard Ignition VR-456 Voltage Regulator
Part #: VR-456

Standard Ignition VR-456 Voltage Regulator

⚙️ 19 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: Mazda, MPV, B2600, 929, and RX-7
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Reliable Charging System Voltage Regulator for Mazda Vehicles

The Standard Ignition VR-456 Charging System Voltage Regulator is designed to maintain optimal voltage levels in your vehicle's charging system. Engineered for select Mazda models, this regulator ensures consistent electrical performance and helps protect your alternator and battery.

  • Compatible with Mazda 929, B2600, MPV, and RX-7 models
  • 12-volt charging system voltage regulator
  • Single female rectangular connector with one blade terminal (male)
  • Compact dimensions: 80.264 x 65.278 x 40.894 mm (3.16 x 2.57 x 1.61 inches)
  • Designed for mounting directly on the alternator
  • No additional hardware, mounting brackets, or instructions included

Product Details and Specifications

The VR-456 voltage regulator from Standard Ignition is built to precise specifications to fit the charging systems of various Mazda vehicles. It features a single female rectangular connector and a male blade terminal, facilitating a secure electrical connection. The compact size allows for easy installation on the alternator without requiring extra mounting brackets or hardware. This 12-volt regulator is engineered to maintain stable voltage output, preventing overcharging or undercharging of your vehicle's battery.

Compatible Mazda Models and Applications

This voltage regulator is compatible with the following Mazda vehicles:

  • Mazda 929
  • Mazda B2600
  • Mazda MPV
  • Mazda RX-7

It is specifically designed to replace the original voltage regulator mounted on the alternator, ensuring proper charging system function and electrical system reliability.

Common Issues Addressed by VR-456 Voltage Regulator

  • Fluctuating or inconsistent battery voltage readings
  • Battery not charging properly or draining quickly
  • Alternator overcharging causing electrical component damage
  • Dim or flickering dashboard lights
  • Vehicle stalling or electrical system failures related to voltage irregularities

Installation Notes and Tips

Installation of the Standard Ignition VR-456 voltage regulator requires removal of the old regulator from the alternator. Since no mounting hardware or instructions are included, it is recommended to consult your vehicle’s service manual for detailed procedures. Ensure the connector and blade terminals are clean and securely connected to avoid electrical issues. Proper mounting on the alternator is essential for optimal performance.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. While this product does not include additional hardware or installation instructions, it is backed by Standard Ignition’s quality standards. Please refer to the manufacturer’s warranty policy for coverage details.

BrandStandard Ignition
Part NumberVR-456
Connector GenderFemale
Mounting LocationAlternator
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
1998MazdaMPVN/A
1997MazdaMPVN/A
1996MazdaMPVN/A
1995MazdaMPVN/A
1994MazdaMPVN/A
1993MazdaB2600N/AAlt. No. G608-18-300
1993MazdaMPVN/A
1992MazdaB2600N/AAlt. No. G608-18-300
1992MazdaMPVN/A
1991Mazda929N/A
1991MazdaB2600N/AAlt. No. G608-18-300
1991MazdaMPVN/A
1991MazdaRX-7N/A
1990Mazda929N/A
1990MazdaB2600N/AAlt. No. G608-18-300
1990MazdaMPVN/A
1990MazdaRX-7N/A
1989MazdaMPVN/A
1989MazdaRX-7N/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:

1V120127-176329-026688925085JE1518W70KVR578R965RAC3172VR626VR829

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