Sierra 18-4226 - Mercury Drain Plug
Replaces OEM part #
- MERCURY MARINE 22-806608A1
Q:
Can you tell me the tread size and count for this plug? I need to retap a hole with bad treads?
A:
According to our sources, the thread size is 1/2 x 13. However, the threads on this drain plug are deeper than the conventional design.
Q:
I have a 4.3 L V6 Mercruiser engine which part should I order?
A:
We will need to know engine serial number to confirm drain plug.
Q:
Will this fit a water drain plug on a 1988 mercruiser 3.0l?
A:
No it will not. According to Mercury's parts list the drain cock assembly located at the cylinder block is 18-4218.
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