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78 280z fuel tank drain plug

AZDatsun
AZDatsun
in Help Me !!

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comment_563399
1 hour ago, ryanotown22 said:

Ok thanks if the parts I just ordered don’t fit I will just pick that up. Btw my order total price came to 2.18 for the plug and washer from Nissan with local pickup

 

 

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Good, glad I didn't cost you too much,  I was digging through my collection of crush washers and o rings and in a pinch a M8x1.25 and a fuel injector o ring will work temporarily until you can find something more permanent.

 

 

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comment_563465
32 minutes ago, ryanotown22 said:

Well the dealer cancelled my order .. and now status says unavailable

Yes, I've had that happen before. Sometimes parts are NLA, but they don't show up in the online searches as such.

comment_563466

According to Dorman's web-site this one fits.

https://www.dormanproducts.com/p-102319-090-039cd.aspx?year=1978&make=Nissan&model=280Z&origin=&parttype=Oil%20Drain%20Plug

EDIT: Whoa, Whoa!!!  You're talking about the gas tank!  I'm sorry.

Edited by siteunseen

comment_563467

A tap should cut some new threads pretty easily.  Grease up the tap and you won't have to worry too much about shavings, plus gravity will help.  Use a magnetic bolt, like for an oil pan, and you'll pick up any strays plus some rust.

comment_563468
6 minutes ago, siteunseen said:

According to Dorman's web-site this one fits.

https://www.dormanproducts.com/p-102319-090-039cd.aspx?year=1978&make=Nissan&model=280Z&origin=&parttype=Oil%20Drain%20Plug

That's oil.  But they might be the same.  One funky thread size.  Decimal metric?  16,400 microns.  82/127ths of an inch.

Edited by Zed Head

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comment_563564

Ended up at Home Depot with a M8 x 1.25 x 20 flange bolt and M8 copper washer. The flange bolt has a larger head to get good contact with the washer.


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