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Does anyone have the part number for just the orings for the manifold drain plugs? Thanks
I suppose I could go to the hardware and just match up

They are a bit expensive.
https://www.myinboardmarine.com/product ... BQQAvD_BwE

https://www.freeportmarine.com/mercury- ... -plug.html

Thanks BB
Your good, I spent half hour trying to find those o-rings , and yea they are proud of them.
Thanks again

vans wrote: Sun Sep 20, 2020 6:05 pm Thanks BB
Your good, I spent half hour trying to find those o-rings , and yea they are proud of them.
Thanks again

No Prob. I like helping those on the other side of the pond from us

You could also try the Sierra 18-7165. Five O-rings for less than $5.

https://www.westmarine.com/buy/sierra-- ... --10519247


Even better would be to measure the diameter where the o-ring fits on the drain plug and then cross reference to one of the standard o-ring sizes.

https://www.theoringstore.com/store/ind ... age=page_2

I did have the Quicksilver O-rings, those o rings never sealed up well. the thickness of oring was to small
Top ring is from Quicksilver, bottom is from O ring store I went to the o ring store, (thanks Titanium boy), and splurged on o rings, I spent a dollar and received 50pcs of 1/2"ID X 1/16"OD X 3/32"
Shipping was $7, haven't installed yet but they sure look like the OEM O rings

Or.... if you want to get real fancy.... I've heard of many horror stories of the blue plugs breaking.

https://www.hardin-marine.com/p-81079-s ... 00874.aspx

vans wrote: Thu Sep 24, 2020 4:32 am I went to the o ring store, (thanks Titanium boy), and splurged on o rings, I spent a dollar and received 50pcs of 1/2"ID X 1/16"OD X 3/32"
Shipping was $7, haven't installed yet but they sure look like the OEM O rings

I keep one of these Harbor Freight O-Ring sets around. Don’t need them very often, but super handy when you do. And it is very useful to have a wide variety of sizes to choose from.

https://www.harborfreight.com/382-piece ... 67554.html