Do all ford 5.4L triton engines use the same type of spark plug? No matter the year?

Do all ford 5.4L triton engines use the same type of spark plug? No matter the year?

No, the 3 valve 5.4L uses a pretty long two piece spark plug that is known to be problematic when you attempt to remove it. It tends to break in half unless you follow a pretty specific removal procedure. Fortunately one-piece replacement spark plugs are available for it.