blanking plate

Is the EGR blanking plate the same for a 3L and 5L? My 5L has an egr system that is full of carbon. I want to blank it off, but only really see blanking plates for 3Ls. I still need to fully remove the system, but I provided photos below Easiest for me is to by something than to create at the...

while cleaning out my garage I found a stash of ACSD blanking plates I drew up in CAD and laser cut. They are 5mm 6061 aluminum. Anyone see a problem with this vs steel? I had one on my last diesel cruiser before i sold it and all my spares. It seemed to work just fine but I didn’t have any...