VAG Voltage Regulator 05L903803

Ensure optimal charging system performance with this genuine VAG voltage regulator. Designed for reliable operation and long-lasting durability.
103.81 EUR
inc. VAT 21%
Can be ordered
Delivery 4 days (31.03.2026)
PN 05L903803
Make VAG

This VAG Voltage Regulator, part number 05L903803, is a critical component of your vehicle's charging system. It plays a vital role in maintaining the correct voltage output from the alternator, preventing overcharging or undercharging of the battery. A properly functioning voltage regulator is essential for the longevity of your battery and the overall health of your vehicle's electrical system. Symptoms of a failing regulator can include dimming headlights, a battery warning light, or electrical issues. Crafted to meet VAG's stringent quality standards, this regulator is built with durable materials to withstand the demanding conditions under the hood. Trust in genuine VAG parts to ensure perfect fitment and reliable performance for your vehicle.

  • Genuine VAG part for guaranteed compatibility
  • Part Number: 05L903803
  • Ensures stable and correct alternator voltage output
  • Protects battery from overcharging and undercharging
  • Contributes to the overall health of the electrical system
  • Durable construction for long service life
  • Direct replacement for seamless installation

No specification found

0 Updated