Can anyone tell me what I have?

[DarkAge53]

I bought a very nice 07 Sierra 2500 HD about a two months ago, here's a pic of the label inside the glove box.

 

[98trck]

take the vin number to the service or parts department of your local dealer and they can give you a printout of what you have .
service department did it for me
PETE

 

[DarkAge53]

take the vin number to the service or parts department of your local dealer and they can give you a printout of what you have .
service department did it for me
PETE

I'll try that, thanks.

 

[Nightowl]

Hello Dark Age, For a future reference I'll attach A link of the GM RPO master list of codes found in your glove box.
Copy and paste this URL if it doesn't link to well here.
Start at the h in http and stop at the f in pdf without any brackets or other characters.

http://www.longroof.info/pdf/rpo.pdf

This should tell you everything about the truck when ordered for production.

 

[Livingston]

Is this good for any Sierra truck out there, Nightowl? Or just this model?