- Voltage regulator, alternator
- Alternator voltage regulator controlling the charging voltage
- Controls alternator output so the battery charges correctly without overvoltage
- OSSCA "01300" - Not available
VW - Golf, Jetta, Passat, Derby, 1500,1600; AUDI - 80, 100; SEAT - Toledo, Ibiza; PORSCHE - 914; ARO - 10; FIAT - 131, Ritmo