whats the difference
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Posting Guru
Joined: Oct 2010
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From: Kerrville, Tx
whats the difference
i replaced the stc fitting on my brothers truck while it is all tore apart. my question is when i took it all apart what i replaced looked exactly the same as what came out. i replaced all the bolts and the black metal fitting and that was it along with the gaskets. the only thing left was a plastic piece that looked like it went under the hpop but didnt think it should have stayed in there. whats the difference between the new one and the old ones? (stc fittings that is)
Fleet Mechanic
Joined: Jan 2007
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From: Circle City
The kit should have looked like this one that includes the one piece fitting.
(Updated STC fitting kit -4C3Z9B246-F or number 4C3Z-9B246-E or International part number 1879930C91
Closer view here-Diesel Technician Society
(Updated STC fitting kit -4C3Z9B246-F or number 4C3Z-9B246-E or International part number 1879930C91
Closer view here-Diesel Technician Society
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Posting Guru
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From: Kerrville, Tx
yea thats what the kit looked like. but what i replaced looked like the same thing. and the motor has never been torn into. and also the plastic piece in the top left of the pic do i need to use it? i didnt think it belonged in there and never used it but do i need to have it in?
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From: Kerrville, Tx
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Post Fiend
Joined: Oct 2009
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From: N. Fort Worth, tx
imo that engine has been apart weather you know it or not. if an 06 had anything from the factor it should have been the bracket style update
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Fleet Owner
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From the research I have done, I don't believe that any '06's ever had the bracket update. I even have my doubts about the '07's!
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Posting Guru
Joined: Oct 2010
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From: Kerrville, Tx
what is a bracket update? sorry im familair with the motors and such but i try to avoid the hpop. idk why it just seems like if something isnt just right with that thing that its not gonna work right
Fleet Owner
Joined: Nov 2003
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International came out w/ the one-piece replacement fitting. Ford came out w/ their own solution - a brace/bracket (that looks much like the alignment bracket in the updated one-piece kit). Ford used the bracket for a year or two and then went w/ the International fix.
Fleet Mechanic
Joined: Jan 2007
Posts: 1,708
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From: Circle City
According to DTS, the updated STC fitting was installed in production engines Feb. 09-2007 begining with engine serial# 431736
(my OEM truck still had the 2 piece original fitting w/ no bracket)
(my OEM truck still had the 2 piece original fitting w/ no bracket)