Get the hose they have for the $45 dump the cheap one thats a top hose correct so no big deal swaping that out now just top off and done.

 

so an update... got the hose with filler cap from rockauto my buddy cracked it while clamping it on.. so we went to dealer got the part for 45bucks had them do it all is well with radiator.. as for the misfire.. all i needed was plugs.. they replaces with some oem s and truck runs like its brand new...but ill post new topic for current issue.. 119k and now im having all the issues.. oh well cant complain too much ..

 

ROFL even better update now.. radiator sprung a leak.. i just cant get lucky latly.. i have zero probs with truck when i have a job but nothing but probs diasabled.. gotta love it ..