Early and late 04s

J

Jeosbolt

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Joined
Feb 27, 2023
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6
What’s the cutoff date between early and late 2004 model trucks?
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The 04.5 engines were the first 325 HP, so yours is 2004.5 1320 is correct on the date.

Different piston and injectors were the only real difference in engine design until 2006 model year.
 
Snedge said:
The 04.5 engines were the first 325 HP, so yours is 2004.5 1320 is correct on the date.

Different piston and injectors were the only real difference in engine design until 2006 model year.
Click to expand...

Dang, the guy looking up paint codes at the body shop ain't gonna like this! :lol:
 
The split on the year for looking up paint codes was always the 6th month of the year.
 
95cummins5.9 said:
The split on the year for looking up paint codes was always the 6th month of the year.
Click to expand...

Did not know that, because I do bodywork badly, and with a spray can.
I always assume the paint code was listed on a sticker in the glovebox or door frame.
 
Snedge said:
The 04.5 engines were the first 325 HP, so yours is 2004.5 1320 is correct on the date.

Different piston and injectors were the only real difference in engine design until 2006 model year.
Click to expand...


Plus a post injection event and in-cylinder EGR camshaft. All of that equals a sooty bumper from factory.
 
Snedge said:
Did not know that, because I do bodywork badly, and with a spray can.
I always assume the paint code was listed on a sticker in the glovebox or door frame.
Click to expand...

They are typically. Some of the older stuff isn't.
 
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