Hi Steve! As you can see there are many ways to name the same thing according to the country. So basically it depends on the flavor that you want to give the translation. A good way to check is using the online dictionary from the Real Academia Española.
Kitchen counter = mesada
kitchen sink = pileta
bathroom sink = lavamanos
dishwasher = lavaplatos
toilet = inodoro
cabinets = alacenas/armarios de la cocina o baño
Real Ac. Española