identifying smog/fuel part on 1998 GT

dochawk

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#1

• Jun 18, 2026

• #1

I'm replacing the fuel tank, and I think one of the burglars stepped on and broke this. Apparently part of smog system, and has a manifold, two of the nipples for which have broken off.

Can anyone tell me what it's called so that I can order it?





there is some readable text on it, but most isn't readable:




it sure would be nice to get it back on the road again!

 

Noobz347

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Valve Assy, Fuel Vapor Storage Canister Purge Regulator, - #M-9C915-120B - National Parts Depot

Buy part #M-9C915-120B Valve Assy, Fuel Vapor Storage Canister Purge Regulator, for your classic vehicle from National Parts Depot. Free shipping on orders over $300, fast delivery & everyday low pricing! Order now!

www.npdlink.com

 

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squeak93

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Noobz to the rescue again!

 

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Noobz347

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dochawk

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Jun 23, 2026

#5

• Jun 23, 2026

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Thank you.

But looking at the part, mine has three nozzles (two of which were broken off), while this seems to have two.

Mine:



the linked one:





also, the linked one seems to have a mount point protruding from the plane with the nozzles.

 

squeak93

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#6

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Looks like thats a lovely 98 only part and not in repro. Find one from a junk yard car. 1998 has a standalone tank and odd ball voltage regulated return style fuel setup. Reading (with AI help) you can modify a 2 port one to vent tank properly, but it'll potentially make the tank itself a pita to fill.

Or take this and epoxy or insert brass nipples into the broke area to reconnect the vac lines.

 

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dochawk

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thanks. I'll check scrapyards.

There seem to be plenty of parts that are "Model T to 1997", "1998", and "1989-present"

Gosh I need to find and buy my first gen convertible . . .

 

Last edited: Jun 24, 2026

Noobz347

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Bench test the part you have.

If you apply vacuum to the vacuum/control port on the “hockey puck,” what do the other two ports do?

If those other two ports are both just vapor evacuation ports and they behave the same internally, you may be able to use the more common 2-port hockey puck valve and run a T-fitting to the two vapor lines that need to connect.

If the two ports behave differently — one-way flow, restricted flow, different vacuum behavior, etc. — then the 2-port valve and T-fitting would not be a valid substitute.

I’ve dug into this and keep hitting dead ends. My theory is that your car is a California emissions car and this 3-port hockey puck is part of a very narrow Cali emissions setup that is not showing correctly in the normal Ford/aftermarket catalogs.

 

dochawk

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#9

• Jun 30, 2026

• #9

thanks.

this probably is a CA model; the guy I bought it from brought it there.

should I be considering just using epoxy and nipples on the existing part? It was out because we were swapping the tank, and burglars stepped on it!

there are some '98 mustangs in local parts lots, but even assuming that I can identify the CA models, it's awfully hot to be crawling under cars and dropping fuel tanks . . .

 

Noobz347

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dochawk said:

should I be considering just using epoxy and nipples on the existing part? It was out because we were swapping the tank, and burglars stepped on it!

Click to expand...

You could try that. You could also get some small brass tubing and melt them into the plastic and finish it off with some JB Weld.