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Gentlemen, I know this is off-topic (non-Chevelle) but was hoping one of you experts could give me a knowledgeable answer to this vexing question. Quick background, I bought a super clean long bed 1999 Chevy 3/4 ton pickup from the widow of a former vet who was the original owner. I plan on using it to haul a Lance camper I'm restoring. I'm trying to figure out if it's a Silverado or just a C2500, if that is even possible considering the changeover year. I want to order the correct parts and am already getting stuff that doesn't fit like the mirror extenders. Apparently I have 1998 side mirrors, not 1999. I'm sure other problems will follow if I don't nail this down. I looked up the VIN on a couple of internet services (CarFax, etc.) and no conclusive answer. Trim tag doesn't say it as well. Any insight from the community I trust here would be greatly appreciated. P
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1968 Chevelle Malibu, upgraded to a 396/TH400 from a 327/PG
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Order everything as if it were a 1998 Silverado 3/4 ton.
 

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That is the "old" body style like my 99 Tahoe 2dr. The Silverado is the new body style. 99 was when they changed and I think the 2500 and up trucks kept the old body style. You should be able to get the parts from the dealer using the vin. I just bought a new passenger side mirror for mine a couple of weeks ago. This site will let you look everything up by the vin: Genuine OEM GM Parts and Accessories Online - GM Parts Giant If you google "1999 chevy silverado" you will see the difference.

Nice looking truck by the way :) :)
 

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Probably a c2500 or K if it's 4x4.
Whats the VIN ?
That'll tell ya
Nice truck.
Vortec heads on that
I been divin an 89 k 2500 for 15 years .
Kicked the computer and TBI to the curb
And ran a carb.
Off topic ??
Why ? First 4 letters are the same lol
 

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Discussion Starter · #10 ·
That is the "old" body style like my 99 Tahoe 2dr. The Silverado is the new body style. 99 was when they changed and I think the 2500 and up trucks kept the old body style. You should be able to get the parts from the dealer using the vin. I just bought a new passenger side mirror for mine a couple of weeks ago. This site will let you look everything up by the vin: Genuine OEM GM Parts and Accessories Online - GM Parts Giant If you google "1999 chevy silverado" you will see the difference.

Nice looking truck by the way :) :)
Thanks for the kind words and assistance Bill! So, do you think my truck is "the old body style" from just eyeballing the photos?

This is what the above site says when I put in the VIN (Note the term "Carryover"):

My VehicleChange Vehicle
1999 Light Truck Pickup - 03, 43, 53 Bodystyle (2WD)(Carryover Model)


Seems to say my body style is 1998. So, if I order parts from the salvage yard; eBay; Amazon; etc., do I say to them "1998 Chevy C2500" or "1999 Chevy 2500" ? Still unsure exactly what to do? Thank you SO much. P
 

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That is the "old" body style like my 99 Tahoe 2dr. The Silverado is the new body style. 99 was when they changed and I think the 2500 and up trucks kept the old body style. You should be able to get the parts from the dealer using the vin. I just bought a new passenger side mirror for mine a couple of weeks ago. This site will let you look everything up by the vin: Genuine OEM GM Parts and Accessories Online - GM Parts Giant If you google "1999 chevy silverado" you will see the difference.

Nice looking truck by the way :) :)
This is what you have, it's a great truck and will be a great truck. Do you know if anyone's changed the intake gaskets, the vortec intake leaks after many miles. I think I did the intake on my 96 Tahoe at about 95000 miles. Enjoy!!
 

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The 1988 to 98 GMT400 platform is still known as C/K1500/2500/3500. The GMT800 platform introduced in '99 was named Silverado. Prior to that it was just a trim package. So when ordering parts and it asks what the model is, you would choose C/K 2500.

And to add to the confusion, the HD C/K2500/3500 GMT400 was continued up to the 2000 model year. A 1999 or 2000 GMT800 Silverado/Sierra 2500 was a "light duty" 3/4. Brain hurt yet?
 

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You need to look for that black and white sticker that lists the OE options that the truck came from the factory with.Sometimes its stuck inside the glove compartment but I can't think of any other place it could be.That will tell you if it is optioned as anything other than C2500 (2wd) or K2500 (4wd)
 
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I answered my on question.
 

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I currently have a 2007 with the same cross-over year situation.... They call it a "Classic"..... To get the correct parts, I usually order for a 2006...
 

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Thanks for the kind words and assistance Bill! So, do you think my truck is "the old body style" from just eyeballing the photos?
Yes yours is the "old" body style.

All you have to do is Google 1999 Silverado and look at the pictures. The difference is pretty obvious. The Silverados are a much "rounder" body style. Completely different from what you have.

Most of the parts are still available from the dealer and really are not that much more expensive and much better quality.
 

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Also, like Leo mentioned, if it is a 5.7 and the intake gaskets have never been changed keep a real good eye on your coolant level and the oil color. If you start losing coolant or see any milkyness in the oil on the dipstick it is almost certainly the intake gaskets. I did mine at about 150K. There is an updated gasket that is much better than the original plastic ones. Very common problem on the Vortec 5.7's
 

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Definitely as Bill said, keep a watch on those pos phenolic resin plastic intake gaskets!! Iron block, iron heads, and aluminum intake.. Rate of expansion between the 2 dissimilar metals is enough that they chew the plastic gaskets, it's not a matter of if, it's when you need to replace them. If not already done, flush out the orange dexcool and go with yellow coolant. Also if you start having P0300 random misfires check the distributor drive gear, they wear and cause timing issues.

If you start hitting forums you will see people referring to the trucks as OBS (Old Body Style) and NBS (New Body Style). You have the old body style truck as mentioned above, great truck, good luck with it!
 
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