Cross reference for DC fan 19032140A is a 12Vdc fan from Comair Rotron that has gone obsolete. 381-2852-ND from ebm-papst Inc. has been offered as a cross reference.
To verify this part will work in your application or to view full specifications see the manufacturer datasheet. https://media.digikey.com/pdf/Data%20Sheets/ebm-papst%20Industries%20PDFs/4300N_Series.pdf