koyo radiator help

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06-10-2008, 01:02 PM

xa007xa

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koyo radiator help

anyone know off hand the size and pitch of the plug that does not come with the radiator?

06-10-2008, 08:12 PM

jct

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i do believe its the same size as the drain plug...

06-10-2008, 10:38 PM

xa007xa

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drain plug on the stock radiator? its not the same as the plug on the koyo. its larger than an m14.

06-11-2008, 04:53 AM

uber-xA-RS2

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From what I have read on Scionlife that second hole is for a temp sensor for a gauge. Some people have used a flat washer style o-ring, some have used a standard O-ring but larger in size.

If my guess is close, since that is a sensor bung, try a couple of hex plugs with an NPT thread fitting.