LGB 5 Volt Smoke Generator called Raucheinsatz on package with an old stock number of 2085/3 with a newer stock number of 65853

The older package describes this part working for models:

2018D 2019S 2028D 2074D 2076D 2080D 2080S 2085D 2219S 2171D 2119D 2028D