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O 320 Oil screen gasket ??

J

John_RV4

Well Known Member
I want to remove and clean the oil screen in my O-320. I think the gasket/seal is weeping a bit and I want to replace it.

However, I'm having a tough time finding the right part # so I can order some.

Does anybody know the part # for the screen gasket ??

Thanks in advance.

John
 
If you are talking about the suction screen the gasket # is STD-111.
If you are talking about the screen that is used instead of a filter, the housing gasket is 61173 and the circular gasket at the rear of the housing is STD-294.
Hope this helps.
 
Speed of light......

Geez Mel,
What took you so long :). That reply took almost 300 milliseconds..

thanks

John
 
Sorry, I didn't have the manual handy. Guess I'll have to get the bookshelf closer to the computer.
 
I thought the rest was easy.......

I was looking for the 111 gasket. I tried Spruce, Wicks,Van's, SkyRanch....
Nobody seems to have it.

Got a source ?? Thanks again.

John
 
You might have to go to Lycoming or Surperior. Check with a local A&P. They have to get them somewhere. The suction screen should be checked at least at annual.
 
Chief

Chief has LYC 61173 "Oil Screen Gasket". I think that's the right part. They also have the screen at a mere $66. Sheesh !!

Thanks

John
 
Wrong number

John_RV4 said:
Chief has LYC 61173 "Oil Screen Gasket". I think that's the right part. They also have the screen at a mere $66. Sheesh !!

Thanks

John
Click to expand...

Wrong part... that's the large paper gasket that is used for the oil screen - the oil screen on the accessory housing that Lycoming uses when a spin-on filter is not used.

gil A
 
Last edited:
AERO for parts

Geoff said:
I think it's the same thing as an AN900-21 (MS35769-21). That's a copper-asbestos crush gasket. Try this link: http://www.aircraftspruce.com/catalog/appages/an900.php

I stole this information from another post on this forum: http://www.vansairforce.com/community/showthread.php?p=139047#poststop

-Geoff
Click to expand...

AERO is a good source for Lycoming parts.

Their web site is also good for giving alternate part numbers.

http://www.aeroinstock.com/products/GASKET/5598/48371/product_detail/index.html

Usual disclaimer... just a satisfied customer....

gil A
 
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