colin r 59

Hi all.
Ford fiesta xr2-xr2i Escort rs turbo-rs1600i-xr3i.
Were they all fitted with carello 640 spotlights at the factory.
If so where is the best place to get a replacement carello 640 back frame for my carello spotlight. Glass is fine need a replacement plastic holder.
Any help much appreciated. Cheers. Colin.