To make it easier for you, best to know the specific make and model of your machine. The model number and the serial number help locate a compatible item for your property. Prices vary according to product quality. Do not be fooled by brand names though. Being expensive does not necessarily denote quality. Choose what is tried and tested by other consumers.
A machine's brand name does not mean all its parts are composed of the same brand. Parts and pieces may have built through other brands. These other brands should still be compatible to the actual unit though. As mentioned on the paragraph above, choose what is best according to most users. You can trust the opinion of experts and professionals with repairs.