Looks the same as what older makergear hotends have
blatantly stolen from [
www.summet.com]
The female connector (with the bump) is a Molex 0436450200 (DigiKey part number WM1845-ND).
The male connector (with the hook that catches the bump) is a Molex 0436400201 Digi-Key part number WM1855-ND
You will also need the associated female and male crimp connectors for the internal contacts: Molex 43030-001 tin 20-24 guage wire (DigiKey part: WM1837CT-ND CONN TERM FEMALE 20-24AWG TIN) and Molex 43031-007 tin 20-24 gauge wire male terminal (DigiKey Part: WM1841-ND WM1841-ND CONN TERM MALE 20-24AWG TIN)