Does drain plug washer is really required to replace every oil change?

[chronicle]

Installed the fumoto valve.. nice fit to my 4d56 engine!

The package comes with a fumoto clip and the seller included the plastic nipple with hose extender..

The valve does not protrude.. just like the old drain plug.. its just longer by 10mm and in no way can be hit by rocks underneath..

So tama ba 2.5k nga? Based sa fb search.
Or cheaper?

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