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How Long Will GM Provide C4 Weatherstrip?

blankster

Member
Joined
Mar 1, 2005
Messages
19
Location
Chicago Area
Corvette
1992 LT1 Coupe
Any guess on how long GM will continue to make the weatherstripping? Mine are getting a bit worn and I was thing of buying the GM A & B pillar just to have in case GM pulls the plug. Also ant tips on installing it? Is it difficult?
 

catbert

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Aug 26, 2004
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3,487
Location
Tobacco Road, NC
Some of the aftermarket kits are now as good as or superior to the GM oems. The GM supplier sells direct to the aftermarket too. I have a buddy that ordered a C4 kit from the manufactuer, and it was oem kit. A little research will go a long way.
 

John Robinson

Gone but not forgotten
Joined
May 3, 2005
Messages
1,555
Location
Muncie, Indiana
Corvette
1993 Polo Green Coupe
How Long

Under federal law they are only required to make OEM parts available for ten years. However if they have a supply of a part they may keep it in the parts system until it is gone. But if at the end of ten years they do not have any more parts in storage they do not have to retain the tooling or the parts.:)
 
D

Dirtfarmer

Guest
Under federal law they are only required to make OEM parts available for ten years. However if they have a supply of a part they may keep it in the parts system until it is gone. But if at the end of ten years they do not have any more parts in storage they do not have to retain the tooling or the parts.:)

Ten years, I've often wondered how exactly that worked. Now I know.

Thanks John.
 

catbert

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Joined
Aug 26, 2004
Messages
3,487
Location
Tobacco Road, NC
GM doesn't have the tooling for the trim parts - for the most part the suppliers eat that cost on items like seals etc. Whatever supplier supplied the pieces for the C4 will undoubtably make the items available after the 10 year window since there are so many C4s around. They may be cheaper or more expensive than oem prices - seen them go both ways. I guess it depends on whether they sell direct or through Mid America and the restoration houses.
 
B

Black Bart

Guest
I would say GM will sell them as long as they deem it profitable to do so.
Whenever sales drop to the point that it is not worthwhile or inventory is gone then they will drop them. Beware of the aftermarket stuff. I got burnt on some weatherstripping. Some may be very good but I know from experience that some of it is junk.
 

Aurora40

Well-known member
Joined
Jul 12, 2004
Messages
1,147
Location
The Old Dominion
Corvette
1990 red on red ZR-1
Any guess on how long GM will continue to make the weatherstripping? Mine are getting a bit worn and I was thing of buying the GM A & B pillar just to have in case GM pulls the plug. Also ant tips on installing it? Is it difficult?
Back when I did the stripping on my '87 (mabye '98-99?), the aftermarket stuff was awful. I wasted a lot of time and effort trying to go cheap and having to remove it all and ship it back.

Anyway, if you want GM, then here's my suggestion. GM will discontinue it whenever it's of any sort of benefit to them. Probably whenever existing inventories run low.

But one thing that is almost guaranteed. They won't put it on sale in the future. It won't cost you any less by waiting, but you might miss the boat. A lot of C4 stuff has been discontinued already, so why take the chance? If you know you will need it, and want GM, just buy it and put it aside until you are ready to install it. My two cents. I bet if you get it from an online discount parts dealer, it will be somewhat competitive with the aftermarket stuff.
 
1

1984C4

Guest
Good advice Aurora40. I have been finding out that soooo many 84 parts which were unique to that year only are no longer carried and even if you can find an aftermarket supplier than the item is usually inferior. I think based upon the way you just put it I may go get some window sweeps and other trim now before I can't get any later. If I don't use it I can always sell it on ebay.
 

Edmond

Well-known member
Joined
Aug 1, 2001
Messages
5,218
Location
Louisiana
Corvette
2003 Z06
With so many C4's out there, I don't see them discontinuing that anytime soon, especially when many C4's are getting to the point where the weather stripping needs to be replaced.
 

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