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The hard line is tee'd off the front most line on the master cylinder. The small rubber line i am assuming is a vacuum line. It goes under the dash and is open. The three other lines on this thing are cut where you see them. This was done waaaaay before i bought the truck. The other side of the contraption has a plastic cover and what seems to be a foam filter, i think it's for venting the diaphragm.
It is mounted to the inner fender. The fender has dimples for the fasteners as if it was oem. The block that the brake line attaches to doesn't look like ford to me.
Any help in identifying this part would be great.