HE-219 and DB 603G Engines

[Seaplanes]

I found the following information that may be of help in this case:
Source BA/MA RL 3/1024 Flugzeug-Programm 227 Ausgabe 1, dated January 9, 1945:

Muster Motor Total on order delivered to Planned deliveries
30.11.1944 from 01.12.44
He 219A-0 DB 603A 104 104 nil
He 210A-2 DB 603AA 85 85 nil
He 219A-7 DB 603E 210 nil 210
He 219D-1 213E 5 nil 5

All were produced by the Ernst Heinkel Flugzeug Werke.