The R 06A 903 143 N Alternator Regulator is a genuine Audi part designed specifically for the Seat Ibiza 1.8T 20V model. This component acts as a crucial link between the alternator and the vehicle's electrical system, ensuring proper regulation and control of power. With its precise manufacturer part number and reference OE/OEM number, this alternator regulator is a reliable and high-quality component that is essential for the smooth operation of the vehicle's engine and electrical system.