Welcome to Dr. Björn's Auto!
How about brand new rectangular headlights for your T3 Vanagon to improve vision when it is dark? We have them now and sell them as a set (left and right), mounted in a new frame. The main lights have H4 bulbs (click here) and an adapter (click here) for can be added for your convenience.
Part Numbers: 255941045A, 255941046A, 533941061, 533941062, 255941105, 255941106, 111941605A, 533941607