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radiator drain o-ring size? FAILED motormite drain.

alacran

alacran

New member
Does anyone know what size that o-ring is?

I just failed the dorman/motormite drain and i just want to change the o-ring from now on because the new drains come with a small o-ring.

TIA
 
Last edited:


TTT

I am trying to get this resolved so no one deals with the same problem i had. I suspect that the o-ring motormite or needa a drain is incorrect or not wide enough to use for a long time.

My drain worked initially but took a crap several miles down the road.

If the width is too small the oring is just going fill the groove up and there will not be enough squeeze on the o-ring.
 
i need a good source for a radiator to tell me what size o-ring that drain is! I measured the o-ring i got from the dealer today because i ad to drain thew coolant and replace the shitty autozone coolant temp sensor.

Measurement was close to 12 x 6 x 3mm
 
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