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Source for correct washer for overdrive drain plug


Jedi Knight
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Hey all,
The replacement gasket available from Moss and others for the large overdrive drain plug - brass one - does not fit well. Since it has to get past the threads of the plug, has to be a bit oversized so as a result slides around once in place past the threads and in my opinion, makes it prone to leaking. Anyone know of a better one available out there or has anyone tried a large rubber O ring or something that might snug up nicely. I've tried hylomar gasket maker resistant to gas and oil but that didn't work.


Jedi Hopeful
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I like the o-ring idea. Just wondering if that might allow for a better seal, and stay tight to the plug. There is enough room between the end of the threads and the head of the plug that it appears feasible.


Jedi Warrior
How about using the replacement gasket along with a couple of layers of teflon tape on the threads? An O ring may be worth a try, but I haven't had great luck using O rings on leaky oil pan plugs.


Jedi Hopeful


Jedi Knight
Country flag
Hey all,
Thanks for the feedback. Haasad the dowty washer looks like exactly what is needed if I can get one that will fit over the threads of the brass plug if the rubber gives enough when pushed down on the plug. Going to see if I can find a source over here.
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