Replacement O-Rings for Fittings

natewildes · Apr 12, 2007

In leak testing my new radiator collection (well, a collection of used radiators from the calssies, that is), I've found that most of them have really bad o-rings, some of which are causing leaks. These would replace o-rings on 1/2" fittings, most of which are swiftech-make, but I don't think that makes a difference. I've found a few o-rings that I *think will fit/work on McMaster:
Sizing details:
Type O-Ring
Cross Section Shape Round
Width 3/32"
Inside Diameter 7/16"
Outside Diameter 5/8"

Part Numbers:
9452K23
94115K111
9396K24

Any thoughts?

BobcatDan · Apr 12, 2007

natewildes said:
In leak testing my new radiator collection (well, a collection of used radiators from the calssies, that is), I've found that most of them have really bad o-rings, some of which are causing leaks. These would replace o-rings on 1/2" fittings, most of which are swiftech-make, but I don't think that makes a difference. I've found a few o-rings that I *think will fit/work on McMaster:
Sizing details:
Type O-Ring
Cross Section Shape Round
Width 3/32"
Inside Diameter 7/16"
Outside Diameter 5/8"

Part Numbers:
9452K23
94115K111
9396K24

Any thoughts?

You can do that, though I would go to the local hardware store first, see if they have anything that will work. Any lowes or home depot should have a large o-ring selection.
Dan

voigts · Apr 13, 2007

I wouldn't buy them either online. I would go down to Ace hardware and match them with my own two eyes.

NoKtEm · Apr 13, 2007

what about plumbers tape? or do you use both?

voigts · Apr 13, 2007

plumber's tape is for tapered threads, not straight threads. Plumber's tape can easily get in the way of an o-ring and cause a barb to not seal.

noxqzs · Apr 13, 2007

voigts said:
I wouldn't buy them either online. I would go down to Ace hardware and match them with my own two eyes.

there is no better way. why pay dollars for them from online, when you can pay with pennies at ACE.

Captain Slug · Apr 16, 2007

If you simply measure the O-Rings you can get replacements from Mcmaster in bags of 50 or 100. You'll have a ton of material options, unlike if you were to buy them from a hardware store.

natewildes · Apr 16, 2007

Captain Slug said:
If you simply measure the O-Rings you can get replacements from Mcmaster in bags of 50 or 100. You'll have a ton of material options, unlike if you were to buy them from a hardware store.

Which is why McMaster sounded like a good idea, only there are so many material options I don't know what to do with myself! I'm also guessing their price per unit is a lot better than a local store...and hey, they make great FS thread freebies

Replacement O-Rings for Fittings

natewildes

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BobcatDan

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voigts

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NoKtEm

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voigts

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noxqzs

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Captain Slug

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natewildes

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