When doing replacement or upgrading on 1980 – 1991 Volkswagen Vanagon, 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 1986 – 1991 9004
1980 – 1985 H6024
Front Fog Light 1986 – 1991 H3-55W
Back Up Light 1980 – 1991 1156
Brake 1980 – 1985 1156
1986 – 1991 1157
Dome Light 1980 – 1991 578
Front Side Marker 1980 – 1991 T4W
Front Turn Signal 1980 – 1991 P21/5W
License Plate 1980 – 1991 T4W
Parking Light 1986 – 1991 1157
1980 – 1985 P21/5W
Rear Side Marker 1980 – 1981, 1983 – 1989, 1991 12929
1982, 1990 T4W
Rear Turn Signal 1980 – 1991 1156
Tail Light 1986 – 1991 1157
1980 – 1985 12814
Center High Mount Stop Light 1986 – 1991 194
Courtesy 1986 – 1991 6411
Glove Box 1981 – 1982, 1988 – 1989 12818
1980, 1983 – 1987, 1990 – 1991 DE3175