sweatybetty Posted June 25, 2017 Share #1 Posted June 25, 2017 mine is leaking so i need to know the plug size so i can get a new gasket thanks all sb Link to comment Share on other sites More sharing options...
SteveJ Posted June 25, 2017 Share #2 Posted June 25, 2017 The drain plugs sold by Rock Auto are the right size. I just don't remember what the size is off the top of my head. Link to comment Share on other sites More sharing options...
siteunseen Posted June 25, 2017 Share #3 Posted June 25, 2017 (edited) http://m.oreillyauto.com/h5/r/oap/site/c/detail/DAG0/090039/02330.oap?year=1978&make=Nissan&model=280Z&vi=1209260&ck=Search_02330_1209260_-1&pt=02330&ppt=C0023 They also have assortment of copper gaskets in the Dorman or Help section at chain stores. I found one that's copper with rubber inside for a tight seal around the threads. Edited June 25, 2017 by siteunseen Link to comment Share on other sites More sharing options...
zKars Posted June 25, 2017 Share #4 Posted June 25, 2017 (edited) Seems like a really crazy thread size. 16.4 x 1.33? Really? Welll I confirmed that by measuring one. Crazy! Interesting that it's really really close to 5/8-20 TPI.... Rock Auto has a pack of 5 for $2.23... Edited June 25, 2017 by zKars Link to comment Share on other sites More sharing options...
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