diffrences on the '04 and '06 5.3l??
 

what is the diffrence between these 2 years? i noticed that some performance parts would end for '04. i have an 06 5.3.

RE: diffrences on the '04 and '06 5.3l??
 

there have been many diffeerent variations of the 5.3 for a few years now,...each with a different vin designation.
most notably,the Z engine is flex fuel capable

RE: diffrences on the '04 and '06 5.3l??
 

They also started electric fans in 05...

RE: diffrences on the '04 and '06 5.3l??
 

And rear drum breaks in 05.

RE: diffrences on the '04 and '06 5.3l??
 

so i could use 04 things on my truck?? the headers i was looking at say they are only up to 04

RE: diffrences on the '04 and '06 5.3l??
 

It just depense on the headers you have to check and see if all the hook ups are the same like egr and theres one other.