The Molex part no is 39-01-2200 and they can be found in the RS catalogue - which means anyone with access to an RS catalogue could order them for you. I'm not sure if pins are included, but pacets of suitable pins will also be available, and you will need a crimping tool.
Most electricians/electronic technicians will have an RS catalogus and account.
If you feel able to do it, take very great care.
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