This is a genuine Hella adapter designed to convert certain OEM headlight plugs to work with our Hella H4 sealed beam conversions.
Designed when replacing lamps in the following applications:
HL66490 - 4652, 4656, 4737 (straight ground wire on connector)
CP2E1PT - 6545, 4666, 4668 (angled ground wire on connector)
Priced each.