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Gaskets required for catalytic converter replacement

Old 05-16-2019, 01:19 PM
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monty2003
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Gaskets required for catalytic converter replacement

My driver's side cat has been rattling for years now and it has annoyed me to the point of replacement. I have the new part and have started to soak the bolts in penetrating oil.


What I can't figure out is which gaskets I need.

I see these and it makes sense.
https://www.maperformance.com/produc...BoCaFUQAvD_BwE

The infiniti parts catalog shows something different for exhaust manifold to converter gasket - it looks like a ring vs a flange type gasket (triangle above)


What's the right gasket? Is the ring one for OEM only? Car is an '09 XS sedan AWD.

Thanks,
Brian
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Old 05-16-2019, 01:56 PM
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PNW_IPL
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Ring is for OEM only. The triangle gasket goes with aftermarket cats or test pipes.
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Old 05-20-2019, 09:51 AM
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monty2003
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Just an update on this. Ended up needing the small ring. Used a pacesetter OEM style catalytic converter from Rock Auto. Bought one at advance auto for $5,

Brian
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