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 Headlight 1985 – 1993 H6024
Back Up Light 1985 – 1993 1156
Brake 1985 – 1993 1156
Dome Light 1985 – 1993 578
Front Side Marker 1985 – 1993 T4W
Front Turn Signal 1985 – 1993 P21/5W
License Plate 1985 – 1993 T4W
Parking Light 1985 – 1993 P21/5W
Rear Side Marker 1989 – 1990, 1993 12929
1985 – 1988, 1991 – 1992 T4W
Rear Turn Signal 1985 – 1993 1156
Tail Light 1985 – 1993 12821
Center High Mount Stop Light 1985 – 1993 194
Courtesy 1985 – 1993 6411
Trunk 1985 – 1993 6411