brother bought a 1999 F250 last year. hasn't used it much, but is replacing his dodge v10. pulls a 28ft 5er last trip out, said he has a lot of porposing??? he thinks he needs new shocks. ...
Shocks - Put Bilsteins on it and you won't have to do it again.
There are lots of oil filters out there, many of them cheaply made. When I took delivery of my 2013 6.7, the service manager told me to always use Ford oil filters, even if I changed the oil myself. Also air filters. Diesels pull lots of air through an air filter and cheap ones can deform. Don't want to pay dealer prices ? Amazon is your friend.