10 parts

iPhone 13 – Battery
Ampsentrix Batteries

iPhone 13 – Display – LCD
Aq7 Technology

iPhone 13 – Display – OLED
Apple

iPhone 13 Mini – Battery
Ampsentrix Batteries

iPhone 13 Mini – Display – LCD
Aq7 Technology

iPhone 13 Pro – Battery
Ampsentrix Batteries

iPhone 13 Pro – Display – LCD
Aq7 Technology

iPhone 13 Pro Max – Battery
Ampsentrix Batteries

iPhone 13 Pro Max – Display – LCD
Aq7 Technology

iPhone 13 Pro Max – Display – OLED
Apple