- Voltage regulator, alternator
- Alternator voltage regulator controlling the charging voltage
- Controls alternator output so the battery charges correctly without overvoltage
- StartVOLT "VRR 1823" - Not available
VW - Transporter, Golf, Passat, Caddy, Tiguan; SKODA - Octavia, Fabia; SEAT - Leon, Alhambra; AUDI - A3, TT