Trying to find gasket number and availability.

[Bass Tracker TX17]

Happy spring all.
Well was happy untill I fired off my boat after a brutally cold winter.
Looking for the part number and hint on getting a
Cylinder block cover gasket ( for the cover under the spark plugs) for a 1995 Mercury 40hp 4 cyl.
Rubber gasket around the spark plug / temp sensor decided to shrink and I have an extra pee hole.
Cover is off no biggie.
I'm just having a hard time finding the part number for it online.
Any help would be appreciated.
Thank so much..

 

[racerone]

???----Where are you looking " on line "--------Tried your local dealer ?----------Local dealer might have it in stock.------Popular item.

 

[emckelvy]

https://duckduckgo.com/?q=mecury+43777+gasket

 

[Bass Tracker TX17]

Thanks for the replies. I was finding everything but a 40 that looked like what i had.
I will call the local dealer but i wanted a part number so he wouldn't try to sell me a whole kit.
i tagged emckelvy's (thank you) link and the pic is exactly what i have. I found a cheaper superseded part but does not seen to have
the rubber inserts around the plug holes. Not sure which way to go as the insert is what blew out. 10 bucks vs 16 + shipping.
The money isn't the issue. I suppose it lasted 20 years so i guess the more oem one will last a little while