250 six cold air duct

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Smross

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Location
MA
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Steve
Truck Year
1979
Truck Model
C10
Engine Size
250
I have a stock '79 C10 Custom Deluxe with three-on-the-tree and a 250 six. It's supposed to have a 3.5 inch diameter corrugated hose running from the air cleaner snorkel to the radiator area. All the usual suspects sell the 4" hose for the V8 but none have smaller diameter part.

Unfortunately, it's a specific part so I cannot just buy a piece of hose at Lowes and adapt it. Does anyone know where I can source this specific hose?

Thanks in advance.

Best,

SM Ross
 

Craig 85

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454/TH-400/NP205
Do you have the original part number? Maybe someone can pull it up for you if you don't. I ran into a similar issue with my '85 454. I got one from LMC, but found those are made for small blocks. I was able to modify it to work. Of course about 2 weeks after I did this, I found the 454 version still available from GM.
 

Smross

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Location
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Steve
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1979
Truck Model
C10
Engine Size
250
OK, it took a while but I was able to find the OE part number at a Chevy dealer. Not surprisingly, the part number has been discontinued.

It is: 14004540

Any help appreciated,

Best,

SM Ross
 

Smross

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Posts
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Location
MA
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Steve
Truck Year
1979
Truck Model
C10
Engine Size
250
Thanks for the replies. Unfortunately, the hose on my truck terminates with an oval shape so that it fits around the air cleaner snorkel. Now that I have the GM part number, I know that it's just a matter of time before one shows up on eBay, for example.
 

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