Measure the diameter of the valve cover hole, the CDR pipe, and the pipe bulge that holds the CDR in place. Or measure your old grommet if it's still around.
You're mixing and matching two different styles of CDR, but I would have thought the pieces are compatible.
I am still striking out with this. Took the old grommet to the largest NAPA store in Jacksonville, they measured the inside and outside diameters, inside is 1 inch, outside is 1.25”, and they found nothing, not even anything close to it. Going to get on the computer and try to track down something online, but as it stands now, this is a very difficult part to locate.



