When doing replacement or upgrading on 1958 – 1974 Volkswagen Karmann Ghia, 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 Headlight1967 – 1974 6014
1958 – 1966 H6006
Back Up Light1973 – 1974 1156
Brake1967 – 1968 1034
1958 – 1966 1154
1974 1156
1969 – 1973 1157
Front Side Marker1969 – 1974 1895
Front Turn Signal1958 – 1966 1129
1967 – 1974 1157
License Plate1958 – 1966 63
1967 – 1968 89
1969 – 1974 97
Parking Light1967 – 1974 1157
1958 – 1966 63
Rear Side Marker1973 – 1974 1157
1969 – 1972 1895
Rear Turn Signal1958 – 1963 1129
1964 – 1966 1154
1967 – 1974 1156
Tail Light1969 – 1973 1157
1958 – 1966 63
1967 – 1968 67
1974 97