Exhaust Flange Gasket

[RAWVORTEC]

2003 Yukon Xl 5.3. I have a leak in front drivers side where flange connects. I can't seem to find it online. Can someone send a link of the correct flange?


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[Rocket Man]

did you try Rockauto? https://www.rockauto.com/en/catalog...ust+&+emission,pipe+flange+gasket+/+seal,5836

 

[Doubeleive]

last time I had to do mine I just went to the junkyard and sawed one off, mine was warped and no way to stop it from leaking

 

[Rocket Man]

He said gasket in the thread title so that was what I linked. But yes if it's the flange itself that's needed then a junkyard would be the only way fo sho.

 

[RAWVORTEC]

It's the donut shaped gasket, but everywhere I had seen an example, it was referred to as a flange gasket. In the link you sent, the right and left are different. Is that correct?

 

[Rocket Man]

It's the donut shaped gasket, but everywhere I had seen an example, it was referred to as a flange gasket. In the link you sent, the right and left are different. Is that correct?

That’s what I see from the pictures. I have longtubes on a 6.0 so mines different but on yours it looks like one is smaller than the other.

 

[915_Tahoe]

GM# 15035747 RHD EXHAUST SEAL DOUGHNUT $18.56
GM# 15077362 LHD EXHAUST SEAL RING $16.70

 

[Rocket Man]

GM# 15035747 RHD EXHAUST SEAL DOUGHNUT $18.56
GM# 15077362 LHD EXHAUST SEAL RING $16.70

Fel-Pro has the same ones for about $3.75 each, cross referenced to those numbers.

https://www.rockauto.com/en/moreinfo.php?pk=447270&cc=1412244&jsn=10
https://www.rockauto.com/en/moreinfo.php?pk=447232&cc=1412244&jsn=11

 

[RAWVORTEC]

Thank you guys! Just wanted to make sure that I was buying the right sized one since they're both different


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[Tonyv__]

GM# 15035747 RHD EXHAUST SEAL DOUGHNUT $18.56
GM# 15077362 LHD EXHAUST SEAL RING $16.70

Do you know if there is a gasket that connects from Y pipe to the muffler pipe? I’m dealing with a 2003 avalanche z71 with 5.3. These gaskets seem to match up with the manifold side