3 pin male and female Molex connector with 3 male and 3 female pins
Female Molex 43640-0301 436400301
Male Molex 43645-0300 436450300
Male Molex 43031-0001 430310001 Male Micro-Fit 3 Crimp Terminal Pin 20-24AWG
Female Molex 43030-0001 430300001 Female Micro-Fit 3 Crimp Terminal Pin 20-24AWG


Also available:
2 pin male and female Molex connector with 2 male and 2 female pins:  https://www.ebay.com/itm/303597390812
20 pin female connector with pins 43020-2001 / 43031-0001:  https://www.ebay.com/itm/303597388514

Set of 20 pins:  https://www.ebay.com/itm/303597868639