When doing replacement or upgrading on 1971 - 1979 Fiat 128, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.
High Beam and Low Beam Headlight 1971 - 1979 6014
Back Up Light 1973 - 1979 1156
Brake 1971 - 1979 1157
Front Side Marker 1971 - 1979 194
Front Turn Signal 1973 1156
1971 - 1972, 1974 - 1979 1157
License Plate 1979 67
1971 - 1972, 1974 - 1978 89
1973 97
Parking Light 1971 - 1972, 1974 - 1979 1157
1973 97
Rear Side Marker 1971 - 1979 194
Rear Turn Signal 1971 - 1979 1156
Tail Light 1971 - 1979 1157