if you can do the work yourself (it's not that hard) then $50 really isn't that much. a shop would charge five times that much to do it for you. and as said above; it's well worth the cost to get the right fluid now rather than have it break on you later and need a lot more money to fix it.
2013 F150 4x4 SCrew XLT 5.0L
Midwest Crew #22
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