Hella brand H4 5 3/4" (135mm) round headlamp with flat face & 4w positioning light. Hella part number 1A3 002 850-031, 66021.
12v, E-code. H4 bulb, 60/55w, included. Parabolic Reflector.
Standard headlamp replacement designed to improve driving visibility.
Note HB2 and H4 versions replace industry standard sealed beams 4000, 4040, 5506 H5006, H5006LL, and H5009.