I just saw the article on the DEF filter in my FMCA magazine. It says to change it every 200,000 miles or 2 yrs. whichever comes first.
I, too, had never heard of it but will have it checked out at my next chassis service. We are currently at 38,500 miles and 2.5 yrs.
😛Safe travels,
MM.
Mr.Mark
2021.5 Pleasure Way Plateau FL Class-B on the Sprinter Chassis
2018 Mini Cooper Hardtop Coupe, 2 dr., 6-speed manual
(SOLD) 2015 Prevost Liberty Coach, 45 ft, 500 hp Volvo
(SOLD) 2008 Monaco Dynasty, 42 ft, 425 hp Cummins
