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How can you find out if a truck has a Z71 Package and not just a sticker on the side. I have heard of people that buy the OEM Decal Z71 and just slap it on. How can you tell if it indeed is a Z71? Because I know there is a Z71 and a Z71 4x4
 

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Well every Z-71 Off road truck that I've owned has had skid plates from the front of the truck to the engine cross over, skid plates that cover the front of the transfer case, etc. They also come with gas shocks. This years 2011 comes with red & white Rancho shocks not sure about last years. I know that my 07 came with Bilstein gas shocks. That's just to name a few of the things that a Z-71 off road/4X4 comes with.
Hope this helps.
 

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Well every Z-71 Off road truck that I've owned has had skid plates from the front of the truck to the engine cross over, skid plates that cover the front of the transfer case, etc. They also come with gas shocks. This years 2011 comes with red & white Rancho shocks not sure about last years. I know that my 07 came with Bilstein gas shocks. That's just to name a few of the things that a Z-71 off road/4X4 comes with.
Hope this helps.
Thanks gmcmccoy, all information helps! I'll check on that :great:
 

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The only true way to check is look in the glove box at the RPO codes and look for "Z71"
 

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Also look for larger transmission cooler and a power steering cooler and large capacity air filter box.
 

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How can you find out if a truck has a Z71 Package and not just a sticker on the side. I have heard of people that buy the OEM Decal Z71 and just slap it on. How can you tell if it indeed is a Z71? Because I know there is a Z71 and a Z71 4x4
As mentioned by Ajarman, look for the Z-71 inside your Glove Box.....Also Keep in mind that G.M./Chevy has......2.....Z-71 Packages, the First One is the Off-Road Suspension Package and the Second is the Z-71 Appearance Package.....Below is Each Package and the Features that they come with,

Z-71 Off-Road Suspension Package

Whether you're maneuvering around a construction site or heading for some mud-slinging, off-road recreation, the legendary Z71® Off-Road Package lets your Silverado® take it in stride. It includes 46mm high-pressure gas-charged shocks, a 36mm front stabilizer bar and off-road jounce bumpers to absorb large suspension inputs. When you're really into the deep stuff, the included Skid Plate Package is there to protect the truck undercarriage from rocks and debris. This package also includes an off-road air cleaner. front recovery hooks and Z71 DECALS on the rear quarter panels let everyone know your pickup is up to the challenge.

Z-71 Appearance Package

The Z71® Appearance Package, available on Extended Cab Standard Box and Crew Cab™ Short
Box models, includes body-color front bumper lower and center sections with body-color end
caps, a body-color grille with chrome insert, UNIQUE Z71 DECALS, bright door sill plates, chrome recovery
hooks, body-color outside mirrors and door handles and fog lamps. 18" aluminum
wheels and 18" tires and front and rear Rancho® shocks raise the Z71 performance level even higher.

On LT models, requires Extended or Crew Cab models, Trailering Package and Z71 Off-Road Suspension Package. Tires may be upgraded to on-off road tires. Not available with exterior color Imperial Blue Metallic or Steel Green Metallic.
On LTZ models, requires Extended or Crew Cab models and Z71 Off-Road Suspension Package. Tires may be upgraded to on-off road tires. Not available with exterior color Imperial Blue Metallic or Steel Green Metallic.

In order to choose this feature, you also need to add: Z71® Off-Road Suspension Package18" x 8" aluminum wheelsOn-/off-road blackwall tires -Air cleaner, high-capacity -Recovery hooks,
 

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Discussion Starter #7
I looked underneath the truck and it does indeed have all of the skid plates. However, I opened the glove box, well, it has two actually one on top and one on the bottom, the bottom one has two decals that have GM info but I could not find Z71 anywhere, just a bunch of number codes and digits. Also on the steering wheel area, it has the whole M gear that goes all the way up to 6. Is that another Z71 characteristic?
 

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My truck 009.jpg Not all Z71's are 4wd, mine is a Z71, and it is a 2wd, from my understanding and I may be wrong, if the decal has off road or 4x4 in it then the truck is 4wd, if the decal doesn't then the truck is 2wd, atleast that is what I read somewhere, and what my local dealer said, I know the Colorado/Canyons are this way. I would assume that GM did the same with the fullsize.
 

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How can you find out if a truck has a Z71 Package and not just a sticker on the side. I have heard of people that buy the OEM Decal Z71 and just slap it on. How can you tell if it indeed is a Z71? Because I know there is a Z71 and a Z71 4x4
First off.....what year is your Truck and is it a....2wd or 4wd??

I looked underneath the truck and it does indeed have all of the skid plates. However, I opened the glove box, well, it has two actually one on top and one on the bottom, the bottom one has two decals that have GM info but I could not find Z71 anywhere, just a bunch of number codes and digits. Also on the steering wheel area, it has the whole M gear that goes all the way up to 6. Is that another Z71 characteristic?
Did you look at my reply above #6.....it shows Features for both....Z71 Packages??....Off-Road Suspension and Appearance Package.....and that is the RPO Code to Look For....Z71

In-Side your Glove Box, is a White Sticker "Tag" that is the
Service Parts I.D. Tag, and on it is your Trucks Vin # Number and a Series of Letters and Number's....Those are RPO Code's which Stands for Regular Production Options.....These RPO Codes, tell you what Engine, Transmission, Gears and other Features your Truck came with from the Factory,




 

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Discussion Starter #10
Hey Guys,

Here are the details

2008 Chevrolet Silverado 2500HD
6.6 L V8 Turbo Diesel Duramax w/ the Automatic 6 Speed Allison
2WD w/ the Z71 Package
LT Crew Cab
 

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Hey Guys,

Here are the details

2008 Chevrolet Silverado 2500HD
6.6 L V8 Turbo Diesel Duramax w/ the Automatic 6 Speed Allison
2WD w/ the Z71 Package
LT Crew Cab
If you go to the Link below and Enter your Trucks Vin # Number......you will be able to see the Build Date of the Truck and What the Truck came with(Features)from the Factory,

It will show you everything from what Engine...Trans...Gears to the Color of the interior.....and what Z71 Package the Truck has....the Z71 Off-Road or the Z71 Appearance Package.

Along with showing you the feature, it will show you the RPO Code for that Feature,

Example,
the RPO Code for the 5.3 liter in my Truck is LM7 and for the 4L60e Transmission the RPO Code is....M30.


EDIT:.....Update on Compnine's Web Site.....they are No longer in Business....they Closed their Door's.
Link,
http://www.compnine.com/vid.php





 

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I renamed this title so people can search for and understand what it is easier.
 

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Hey guys,

Sorry to but into this thread with another question, but here goes:

I used to have a 2000 Silverado with the Z-71 package and that skid plate saved my behind MANY times!!! I just bought a 2003 2500HD Diesel that is not the Z-71 package and am wondering if I can get a skid plate for it? Any help is appreciated. Below are the specifics.

2003 Chevrolet Silverado 2500HD
6.6 L V8 Duramax Turbo Diesel w/ Alison 5-Speed Automatic
4x4 LS Crew Cab
 

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Hey guys,

Sorry to but into this thread with another question, but here goes:

I used to have a 2000 Silverado with the Z-71 package and that skid plate saved my behind MANY times!!! I just bought a 2003 2500HD Diesel that is not the Z-71 package and am wondering if I can get a skid plate for it? Any help is appreciated. Below are the specifics.

2003 Chevrolet Silverado 2500HD
6.6 L V8 Duramax Turbo Diesel w/ Alison 5-Speed Automatic
4x4 LS Crew Cab

http://www.partsgeek.com/catalog/2003/chevrolet/silverado_2500_hd/body_sheet_metal/skid_plate.html
 

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Hey guys,<br>
<br>
Sorry to but into this thread with another question, but here goes:<br>
<br>
I used to have a 2000 Silverado with the Z-71 package and that skid plate saved my behind MANY times!!! I just bought a 2003 2500HD Diesel that is not the Z-71 package and am wondering if I can get a skid plate for it? Any help is appreciated. Below are the specifics.<br>
<br>
2003 Chevrolet Silverado 2500HD<br>
6.6 L V8 Duramax Turbo Diesel w/ Alison 5-Speed Automatic<br>
4x4 LS Crew Cab

http://www.partsgeek.com/catalog/2003/chevrolet/silverado_2500_hd/body_sheet_metal/skid_plate.html
 

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After reading this threat I was wondering the same thing... The owners manuel doesn't say z71 on it but in the glove box it does say it and then I found the original description paper in the truck.. Its a 2007 silverado 1500 4wd reg cab lt1. It has the lt1 convenience package and the HD trailering equiptment locking read diff. off road suspension package: Skid plates. Vortec 5.3l v8 p265/70r17 oor wol tires gvw rating - 6400 lbs rear acle - 3.73 ratio... Nowhere on here says z71 but my truck says it and so does my glove box. Is it a true z or a ( Just for poking fun ) a imitation look a like?
 

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After reading this threat I was wondering the same thing... The owners manuel doesn't say z71 on it but in the glove box it does say it and then I found the original description paper in the truck.. Its a 2007 silverado 1500 4wd reg cab lt1. It has the lt1 convenience package and the HD trailering equiptment locking read diff. off road suspension package: Skid plates. Vortec 5.3l v8 p265/70r17 oor wol tires gvw rating - 6400 lbs rear acle - 3.73 ratio... Nowhere on here says z71 but my truck says it and so does my glove box. Is it a true z or a ( Just for poking fun ) a imitation look a like?
If the original description(window sticker) you found says off road suspension package, then it is definitely a true z71 truck. It's not going to say z71 on the window sticker. You typically see z71s in a LT model truck(here in georgia with the all star edition package, basically the regional value pckg) that gives you HD towing pckg, dual climate control, bluetooth, power seat, 5.3l w/ 6 speed auto transmission. with the offroad suspension package.

I just logged into my GM account to configure and build a custom order 2012 truck and here was my option to make it a z71

[FONT=Arial, Helvetica, sans-serif]Suspension Package, Off-Road includes 1.81" (46 mm) shocks, off-road jounce bumpers, 36mm front stabilizer bar, (NZZ) Skid Plate Package, (V76) recovery hooks, (K47) air cleaner and Z71 decals on rear quarters - Z71[/FONT]

You won't see all that info on the window sticker though.

Also the owners manuals are generally wide spread across all chevy trucks. Its not going to have that label.
 

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Well every Z-71 Off road truck that I've owned has had skid plates from the front of the truck to the engine cross over, skid plates that cover the front of the transfer case, etc. They also come with gas shocks. This years 2011 comes with red & white Rancho shocks not sure about last years. I know that my 07 came with Bilstein gas shocks. That's just to name a few of the things that a Z-71 off road/4X4 comes with.
Hope this helps.
The 2011 Z71 actually does not come standard with red & white Rancho shocks. It comes standard with gas filled 46mm shocks, the shock tubes are black in color, and they look just like the standard 36mm oil shocks on the non-Z71 trucks, despite having different internal parts. The Z71 Appearance package upgrade (trucks with painted grille, mirror caps and door handles) come with the Rancho shock upgrade.
 
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