I have a 2002 vw golf gti 1.8 turbo, made in Canada… i’m trying to find a secondary water pump, and im not seeing one anywhere. don’t know if cause it was made in Can., it’s made a little different, and that’s why i can’t find it… can anyone help?? thanks!! 
What lead you to suspect a problem with this part?
Could you be looking for a secondary air pump?
I’ve never heard of a a secondary water pump.