When doing replacement or upgrading on 1975 - 1989 Volkswagen Scirocco, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.
Low Beam Headlight 1982 - 1989 4652
1975 - 1981 H5006
High Beam Headlight 1982 - 1989 H4651
1975 - 1981 H5001
Back Up Light 1975 - 1989 1156
Brake 1975 - 1989 1156
Dome Light 1975 - 1989 578
Front Side Marker 1982 - 1989 P21/5W
1975 - 1981 T4W
Front Turn Signal 1975 - 1989 P21/5W
License Plate 1975 - 1989 T4W
Parking Light 1982 - 1989 1157
1975 - 1981 P21/5W
Rear Side Marker 1975, 1977 - 1978, 1980 - 1982, 1985, 1987 12929
1976, 1979, 1983 - 1984, 1986, 1988 - 1989 T4W
Rear Turn Signal 1975 - 1989 1156
Tail Light 1982 - 1989 12814
1975 - 1981 12821
Center High Mount Stop Light 1985 - 1989 194
Glove Box 1979 12818
1975 - 1978, 1980 - 1981 DE3175
Trunk 1975 - 1981 DE3423