For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
You can use MOSFETs from CPU/GPU power supplies; more powerfull than this one.
You can also check them outside of the board; if close/open correctly, don't change them.