What year were EGR valves added?

I bet it is. its 2004 c13 freightliner.

 

When they stop making cat with 3406. I heard they r hard to fix. I need some imput here. Otherwise i might get 99 n14 cummin

 

When they stop making cat 3406b . I heard they r hard to build. Otherwise i might stick with n14 cummins

 

google will give you better answers. cat is expensive to rebuild but is worth it. cummins n14 is good too. its whatever you like dude. some people like ford and some people like chevy. people can argue all day and all night for whatever brand they hug

 

It cost 16k to rebuild the dem thing. I better find something cheaper. Or go to diesel mech

 

OK ... so I could get a 2019 truck, put a pre egr engine and transmission in and I'm good go go????

 

Not according to the epa your not.

Some 03s didn't have egr my dads 03 mack vision didn't have egr

 

So it means . You dont have to have a special filter installed on the back when your truck is 99????. Help

 

I just realized, this applies to Ford trucks also.
Early 2003 = 7.3
Late 2003 = 6.0