I believe planetary has recently made a translight
If glass you will want to change to leds to avoid heat damage.
There was only 1 place I could find 545 (I think thats the number) random blinking bulbs at (can't recall who)
Those go in some sockets that are the same size as flashers, but you'll notice the flashers just stay onif you put them there in error
You can get the 455 (again, correct #?) blinkers in led and change the sockets on the pin to 555 also
BobC