When doing replacement or upgrading on 1985 – 1993 Volkswagen Cabriolet, 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 Headlight1985 – 1993 H6024
Back Up Light1985 – 1993 1156
Brake1985 – 1993 1156
Dome Light1985 – 1993 578
Front Side Marker1985 – 1993 T4W
Front Turn Signal1985 – 1993 P21/5W
License Plate1985 – 1993 T4W
Parking Light1985 – 1993 P21/5W
Rear Side Marker1989 – 1990, 1993 12929
1985 – 1988, 1991 – 1992 T4W
Rear Turn Signal1985 – 1993 1156
Tail Light1985 – 1993 12821
Center High Mount Stop Light1985 – 1993 194
Courtesy1985 – 1993 6411
Trunk1985 – 1993 6411