037 903 803: Voltage regulator for Valeo / Motorola alternator for Audi and Volkswagen

This voltage regulator is designed to fit Valeo and Motorola alternators fitted to several Audi and Volkswagen models, notably the Audi 100, Audi 80, Audi A6 C4, Volkswagen Golf 1, Volkswagen Passat B3, Volkswagen Polo and Volkswagen Corrado. It ensures regulation of the battery charging voltage, an essential function for proper electrical operation of the vehicle. As part of the restoration or maintenance of a classic car, replacing this regulator allows you to restore reliable charging and originality compliance. An essential part to preserve the electrical reliability of these iconic models.