sup everyone, i have a 4 core radiator on my starlet, my problem is the drain plug has a rubber to seal against coolant leakage right. well my rubber was burned and messed up, i searched for it here couldnt find the original one, my cousin told me to just use an o-ring.i tried it it only held on for 1 week and now the o ring is messed up. does anyone have a sollution for this problem?? what kind of rubber can i use? or what can i do to stop it from leaking??
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