M90 top vacuum tee

Mattstrike

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Anybody know the size or a part number for the oring used on the top vacuum tee thingy on the m90s?
 

Mattstrike

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Found the OE part number: 24503492 O-RING SEAL-0.864

So that's a start.
 

Mattstrike

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I ended up with two different O-rings to try. The first is metric, 22mm ID x 2.5mm cross-section, the other standard 7/8 ID x 3/32 cross section. Closest thing off the shelf at the hardware store I could find to the dimensions listed at Buy GM 24503492 Seal, genuine OEM part

Both are a tight fit, need some grease to get the vac manifold installed again, but they work.
 

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