HomeElectrical, Charging and Starting > Alternator / Generator and Related ComponentsStandard Ignition VR-8 Charging System Voltage Regulator
Part #: VR-8

Standard Ignition VR-8 Charging System Voltage Regulator

24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, Chevrolet, Jeep, Oldsmobile, and Pontiac, 98, Bel Air, Catalina, CJ5, Commercial Chassis, Corvette, Impala, and Roadmaster
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Reliable Charging System Voltage Regulator for Classic Vehicles

The Standard Ignition VR-8 Charging System Voltage Regulator is designed to maintain consistent voltage output in your vehicle's charging system. Engineered for compatibility with classic models like the Chevrolet Bel Air and Jeep CJ5, this regulator ensures stable electrical performance.

  • Amperage rating of 45 amps for efficient voltage regulation
  • Male connector and terminal gender for secure electrical connections
  • Three screw-type terminals for reliable mounting and wiring
  • Universal mounting location suitable for various vehicle setups
  • Operates at 6 volts, matching vintage electrical systems

Product Details and Specifications

The VR-8 voltage regulator from Standard Ignition is built to regulate the charging voltage in 6-volt electrical systems, commonly found in older Buick, Cadillac, Chevrolet, Jeep, Oldsmobile, and Pontiac models. With a 45 amp amperage rating, it effectively controls the alternator or generator output to prevent overcharging or undercharging of the battery. The regulator features a male connector and three male screw-type terminals, providing secure and straightforward installation. Its universal mounting location allows flexibility in fitting various classic vehicle configurations, including Chevrolet Impala, Pontiac Catalina, and Cadillac 98.

Compatible Vehicles and Applications

  • Buick 98
  • Cadillac 98 and Roadmaster
  • Chevrolet Bel Air, Impala, and Corvette
  • Jeep CJ5 and Commercial Chassis
  • Oldsmobile and Pontiac Catalina

Common Issues Addressed by the VR-8 Voltage Regulator

  • Prevents battery overcharging and damage
  • Eliminates dim or flickering headlights caused by voltage fluctuations
  • Maintains consistent electrical system performance
  • Reduces risk of alternator or generator failure
  • Improves overall reliability of vintage vehicle charging systems

Installation Notes and Tips

When installing the Standard Ignition VR-8 voltage regulator, ensure the vehicle's electrical system is 6 volts to match the regulator's specifications. Use the screw-type terminals to secure wiring connections firmly, and verify the male connector fits properly with the vehicle harness. The universal mounting location allows for flexible placement, but it should be mounted in a dry, accessible area to facilitate maintenance and inspection.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring dependable performance in classic vehicle applications. The VR-8 voltage regulator undergoes rigorous quality control to provide consistent voltage regulation. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberVR-8
Amperage Rating45 a
Connector GenderMale
ContentsRegulator
Mounting LocationUniversal
Terminal GenderMale
Terminal Quantity3
Terminal TypeScrew
Voltage6

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1969JeepCJ52.2LL4N/ADelco; 45 Amp Alternator
1959ChevroletBel AirN/Aw/ U.S. Emissions; 6 Volt
1959ChevroletCorvetteN/Aw/ U.S. Emissions; 6 Volt
1959ChevroletImpalaN/Aw/ U.S. Emissions; 6 Volt
1958ChevroletBel AirN/Aw/ U.S. Emissions; 40 Amp
1958ChevroletCorvetteN/Aw/ U.S. Emissions; 40 Amp
1957ChevroletCorvetteN/A6 Volt Alternator Brush Set
1956ChevroletCorvetteN/A6 Volt Alternator Brush Set
1955ChevroletBel AirN/A6 Volt Alternator Brush Set
1955ChevroletCorvetteN/Aw/ U.S. Emissions; 6 Volt
1954ChevroletBel AirN/A
1954ChevroletCorvetteN/AGen. No. 1100018, 1102793
1954PontiacCatalinaN/A
1953BuickRoadmasterN/Aw/ U.S. Emissions; 6 Volt
1953ChevroletBel AirN/A
1953ChevroletCorvetteN/AGen. No. 1100018, 1102793
1953PontiacCatalinaN/A
1952BuickRoadmasterN/Aw/ U.S. Emissions; 6 Volt
1952CadillacCommercial Chassis5.4LV8N/A
1952PontiacCatalinaN/A
1951CadillacCommercial Chassis5.4LV8N/A
1951Oldsmobile98N/AGen. No. 1102771
1951PontiacCatalinaN/Aw/ U.S. Emissions; 45 Amp
1950CadillacCommercial Chassis5.4LV8N/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:

01903090231-620111821211188421V10623139719IGNC20009KVR123R2122RAG1071VBO4623DVR1071

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