VAG Voltage Regulator 05E903803A

This genuine VAG voltage regulator, part number 05E903803A, is engineered to maintain the correct charging voltage for your vehicle's electrical system. A malfunctioning voltage regulator can lead to undercharging or overcharging of the battery, potentially causing damage to sensitive electronic components and premature battery failure. By precisely controlling the alternator's output, this regulator ensures that your battery receives the optimal charge, extending its lifespan and guaranteeing the consistent operation of all electrical accessories. Its direct fit design means straightforward installation, restoring your vehicle's charging system to its original specifications. Trust in the quality and precision of VAG original parts to keep your vehicle running smoothly and reliably. This voltage regulator is built to the same high standards as the original component, offering durability and peace of mind.

• Genuine VAG part for guaranteed compatibility and performance.
• Part number: 05E903803A.
• Regulates alternator output to maintain correct battery voltage.
• Protects against overcharging and undercharging.
• Ensures reliable power for all vehicle electrical systems.
• Extends battery life and prevents damage to electronics.
• Direct fit for easy installation.
• Built to VAG's high-quality standards.