Hi all, I recently joined the FJ40 club. After purchasing her and driving 1500ish kms to my place of residence, I’ve discovered that there is no drain plug in the radiator. She didn’t leak, but was clogged up quite well. I have a Toyo 4 core rad (16400-49356), and understand that while Toyota still sells the plug, they do not carry the extension bolt that goes into the rad. Does anyone have the specs on that extension bolt, i.e. bolt size and thread? All I know for sure is that it is larger in size than the brass plug.
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