Standard Ignition VR-791 Charging System Voltage Regulator

Reliable Charging System Voltage Regulator for Audi and Volkswagen

The Standard Ignition VR-791 Charging System Voltage Regulator is designed to maintain optimal voltage levels in your vehicle's charging system. Engineered for select Audi and Volkswagen models, this regulator ensures consistent electrical performance and helps protect your alternator from voltage fluctuations.

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, and Volkswagen Passat
• 12-volt charging system voltage regulator
• Female oval connector with one connector and two male blade terminals
• Compact dimensions: 82.042 x 68.834 x 40.132 mm (3.23 x 2.71 x 1.58 inches)
• Includes regulator hardware for secure installation
• Mounts directly on the alternator for precise voltage control

Product Details and Specifications

The VR-791 voltage regulator from Standard Ignition is built to meet the electrical demands of your vehicle's charging system. Featuring a single female oval connector and two male blade terminals, this regulator is designed for straightforward integration with the alternator. Its compact size allows for easy mounting on the alternator housing without interfering with other engine components. The 12-volt rating matches the electrical system requirements of compatible Audi and Volkswagen models, ensuring stable voltage output and preventing overcharging or undercharging of the battery.

Applications and Common Issues Addressed

• Prevents battery overcharging and extends battery life
• Maintains consistent alternator output voltage
• Eliminates flickering or dimming dashboard lights
• Resolves charging system warning lights on Audi A4 and Volkswagen Passat
• Improves overall electrical system reliability in A6 Quattro and A4 Quattro models

Installation Notes and Tips

Installation of the Standard Ignition VR-791 voltage regulator requires mounting directly on the alternator. Ensure the alternator is clean and free of corrosion before installation. The regulator features a female oval connector and two male blade terminals; verify connector compatibility with your vehicle's wiring harness. While hardware is included, no mounting brackets are provided, so use existing alternator mounting points. Professional installation is recommended to ensure proper electrical connections and secure mounting.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The VR-791 voltage regulator undergoes rigorous quality control to ensure reliable performance in demanding automotive environments. Please refer to Standard Ignition's warranty policy for specific coverage details.