I've had four 64 Sport Furys and one 64 Fury 2DHT. All had lights like the ones pictured for the 64 Polara 500. I have not found replacemt lenses. They are one piece all plastic (except for the small aluminum disc in the center).

'64 Sport Fury, 528 Hemi, FiTech EFI, 4-speed, 4.10 Dana 60
'57 Belvedere 2dr sedan, current project in process
'19 Cherokee Trail Hawk Elite
'03 Ram 2500 CTD HO, 6-speed 214,000 miles and still going strong