Standard Ignition VR-22 Voltage Regulator

Charging System Voltage Regulator for Classic GM

Standard Ignition VR-22 is a 12-volt charging system voltage regulator built for classic GM applications that use a generator-style charging setup. It is a direct-fit service part for a wide range of Buick, Cadillac, Chevrolet, GMC, and Pontiac vehicles, including Pontiac GTO, Firebird, and Catalina applications with the listed equipment and emissions notes.

• 12-volt charging system voltage regulator
• 35 amp amperage rating
• Male connector and male terminals
• 3-terminal design with screw and blade terminal types
• Universal mounting location
• Encapsulated electronic circuit board for added resistance to vibration and corrosion
• Premium components and controlled manufacturing for consistent operation

Fitment and Application Details

Compatible With classic GM charging systems across 1955-1968 model years, including Fits 1967-1968 Pontiac GTO, N/A; Fits 1967-1968 Pontiac Firebird, N/A; Fits 1967-1968 Pontiac Catalina, N/A; and Fits 1960-1962 Buick LeSabre, N/A. It also applies to Fits 1957-1959 Chevrolet Corvette, N/A and Fits 1957-1959 Cadillac DeVille, N/A in the listed configurations.

This part cross-references VR126 and R159 for the same application. Standard Ignition VR-22 is also listed for additional Pontiac, Chevrolet, Buick, Cadillac, GMC, and Oldsmobile charging system service needs where the OE-style regulator specification matches.

What This Part Helps Address

• Unstable charging voltage in generator-equipped vehicles
• Battery overcharging or undercharging concerns
• Electrical fluctuation caused by worn regulator circuitry
• Vibration-related circuit board failure
• Corrosion-related connection issues at the regulator

Installation Notes and Tips

Verify the vehicle’s charging system type, terminal layout, amperage rating, and emissions or equipment notes before installation. This regulator uses a 3-terminal screw-and-blade configuration with male terminals, so connector style and mounting arrangement should be matched to the original unit. Confirm the application against the vehicle’s generator setup, especially on Pontiac, Chevrolet, and Cadillac models with Canada or U.S. emissions notes.

Quality Assurance

Standard Ignition manufactures this regulator with its own circuit board and quality-controlled components. The electronic board is epoxy-encapsulated to improve durability and reduce failure risk from vibration and electrical connection corrosion.