Volkswagen Golf II driver - waxstats - k72l1

i have the above, and i had problems problems finding a waxstat, but now i have found 2 different ones, and would like to know is there a difference between a pierburg and a standard carburettor on a 1.6 golf mk 2

Volkswagen Golf II driver - waxstats - Tornadorot

I think this kind of question might be more appropriate in the Technical Matter forum?