Lucas is the OEM. Proline from RN usually come in a Lucas box. Anything with a "G" at the end should be an OEM. I suggest to get the Lucas. Hey the headlamp and wiper as well and keep the working as spares. I consider all the stalks consumables.
I recently acquired a New to me 1994 D90 NAS w 85k. Added some Hella Ralleye 3000 Lights to make a clone of the Hella Edition D90’s. Just curious to your thoughts before I complete the wiring. Thanks!! Badass! Old school on a classic Defender is the only way to go in my book.