R61660321200
Voltage regulator, 12 volt, 420 watt 30 amp.
Fitment: 356 1950-64, 911 1965-69
RNLA60321200
Voltage regulator as currently supplied by Bosch, later electronic circuitry. Wiring connector modification may be required. Alternative to r61660321200.
Fitment: 356 1950-64