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Trim package?

Yes, if you look inside your glove box you should have a sticker with all the RPO codes for your AV. Then you can check out the codes in a thread on this site that decodes all of the codes for you.
https://www.chevyavalanchefanclub.com/cafcna/index.php?topic=84494.0
If I remember correctly in 2004 the Z71 package was only available on an LT model not LS or LTZ.  If you are not the original owner then a previous owner may have stuck Z71 decals or emblems on the AV to dress it up but your RPO sheet will show if it came as a Z71 or not.
 
It is true z71its in the rpo I was just wandering if there were different levels of trim for a z71 it is pretty loaded on the inside  leather Bose sunroof heated seats dule heat controls the works
 
GSHSOF
130.0
AG1 AG2 AJ1 ALO AN3 AT5 AU0 AXP A31 B30 B37
B41 CF5 CJ2 C49 C5W DF5 DH6 DK8 DL3 DT3 DT4
D07 EN4 EVA FE9 FK2 FK3 GT4 G80 JF4 JH2 KUP
K34 K47 K68 LM7 MSL M30 NP5 NP8 NT8 NZZ N89
PDA PDH QJP R4Y SAF SLM TR3 T96 UC6 UE1 UG1
UK3 UK6 UQ7 U2K VB3 VG3 VR4 VXS V73 V76 WBH
XJP X88 YD3 YD6 YE9 YJP ZGC ZM9 ZW9 ZY1 Z71
Z82 1SL 1SZ 59U 6XM 691 692 7XM
U 926L
BC/CC
692
 
Yes, you can dress up a z71 to LTZ levels minus the air suspension. Many of the LTZ options are available individually to the LT/Z71 sub-model.
 
The trim codes varied somewhat between first gen AVs (2002-2006) and second gen AVs (2007-2013).
Back when I got my 2004 Z71 AV there was the stock LS base model with cloth seats, even offered a bench type front seat so it could be a six person AV and was limited in options somewhat. To get a Z71 you had to buy the LT model and many of them came with a package called the "The sun and sound" package which included sunroof and leather bucket seats as well as Bose sound system.
BainMan is correct in that the LT could have enough options to bring it to LTZ luxury except for the air ride suspension. All that depended on the dealer or customer ordering . Also Z71 was 4X4 always in first gen but by second gen AVs you could order the Z71 in 2WD as well as 4X4.
To further confuse things in second gen AVs by 2008 there was the base LS then 3 levels of LT trim and the Z71 was only available in the LT3 (highest LT trim level) as well as still an LTZ level trim too.
 
I went on chevrolet website and asked the customer service chat agent. Took about 5 minutes. Just did this yesterday actually.
 
Jono11526288 said:
I went on chevrolet website and asked the customer service chat agent. Took about 5 minutes. Just did this yesterday actually.
Websites also you can do a vin search and it pulls it up in seconds.  (y)
 
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