# WTB: S13 Koyo Rad Drain Plug

**URL:** <https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669>\
**Category:** Classifieds\
**Created:** [September 21, 2007, 12:59pm UTC](https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669 "2007-09-21T12:59:26Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![jammin1911](https://avatars.discourse-cdn.com/v4/letter/j/a9a28c/32.png) [@jammin1911](https://forums.speedlife.net/u/jammin1911)\
**Post date:** [September 21, 2007, 12:59pm UTC](https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669/1 "2007-09-21T12:59:26Z")

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need that little plastic drain plug on the bottom of the s13 sr aluminum koyo.

have no idea where to buy one, or if someone has one that would be ideal

need soon if possible - thanks!

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**Author:** ![DJPyro](https://avatars.discourse-cdn.com/v4/letter/d/278dde/32.png) [@DJPyro](https://forums.speedlife.net/u/DJPyro)\
**Post date:** [September 21, 2007, 1:15pm UTC](https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669/2 "2007-09-21T13:15:57Z")

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I don’t understand why the hell they’re plastic anyway, I bunged mine up a bit reinstalling it too… Just stripped it a bit, but still… why plastic? And why such cheap, shitty soft plastic?

–Just as a side note…

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**Author:** ![Hurricane](https://avatars.discourse-cdn.com/v4/letter/h/e9bcb4/32.png) [@Hurricane](https://forums.speedlife.net/u/Hurricane)\
**Post date:** [September 21, 2007, 1:38pm UTC](https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669/3 "2007-09-21T13:38:07Z")

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Its plastic so you don’t damage the soft (esp when hot) thread in the alum rad. Another reason for it to be plastic is so that it won’t corrode(sp) the plug to the aluminim.

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**Author:** ![jammin1911](https://avatars.discourse-cdn.com/v4/letter/j/a9a28c/32.png) [@jammin1911](https://forums.speedlife.net/u/jammin1911)\
**Post date:** [September 21, 2007, 1:41pm UTC](https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669/4 "2007-09-21T13:41:46Z")

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SO YEAH…

anyone have one or know where i can get one? 😃

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**Author:** ![tosh](https://avatars.discourse-cdn.com/v4/letter/t/58956e/32.png) [@tosh](https://forums.speedlife.net/u/tosh)\
**Post date:** [September 21, 2007, 4:58pm UTC](https://forums.speedlife.net/t/wtb-s13-koyo-rad-drain-plug/109669/5 "2007-09-21T16:58:52Z")

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find out the tread pitch and and size and maybe match it with a copper or brass plug at plumbing shop or fastener shop(defasco?). worth a shot.

peace