Questions & Answers about Reservedelen kommer i morgen.
Reservedel means spare part in an indefinite sense, like a spare part.
Adding -en makes it definite:
- reservedel = a spare part
- reservedelen = the spare part
So Reservedelen kommer i morgen means The spare part is coming tomorrow.
In Norwegian, the present tense often covers both:
- simple present: comes
- present progressive: is coming
So kommer can mean either, depending on context.
In this sentence, because of i morgen (tomorrow), English usually prefers is coming tomorrow or sometimes comes tomorrow. Norwegian does not need a separate -ing form like English does.