When doing replacement or upgrading on 1974 – 1981 Volkswagen Dasher, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight1978 – 1981 H5006
High Beam Headlight1978 – 1981 H5001
High Beam and Low Beam Headlight1974 – 1977 6014
Back Up Light1974 – 1981 1156
Brake1974 – 1981 1156
Dome Light1978 – 1981 578
Front Side Marker1974 – 1977 1895
1978 – 1981 T4W
Front Turn Signal1974 – 1977 1157
1978 – 1981 P21W
License Plate1974 – 1977 1895
1978 – 1981 T4W
Parking Light1974 – 1977 1157
1978 – 1981 12929
Rear Side Marker1974 – 1977 1895
1978 – 1981 T4W
Rear Turn Signal1974 – 1981 1156
Tail Light1978 – 1981 12814
1974 – 1977 97