Hey there guys

I recently recieved some headers off ebay and need to weld the bung on it, would you guys happen to know what size it is so I can order the right one? I'd go and remove mine to find out but it's heavily rusted and fear once it's off its not going back on

Regards
Skoda

 

What bung are you talking about? EGR? O2 sensor? Or do you mean the collector?

The only thing that MIGHT go on the headers would be the EGR plumbing.

 

its deffinetly the EGR because the O2 is on the pipe leading to the Y but i'd call it a T

Any help is greatly appreciated
Skoda

 

Dont know if it will help but most O2's use M18 x 1.5 thread