Share 'Wanted: Discontinued Check Valve (023131351) for Eurovan 1995/96'

Gosh, I just got this lovely van. Now, I need an emissions part that has been discontinued.The part doesn't hold vacuum anymore. It needs a new diaphragm. Any 95/96 Eurovan owners out there "parting-out" a dead campervan/passenger/weekender? Alternatively, know any rebuilders that fix/rebuild such parts? I've sent a letter to the part manufacturer, and I've been sending emails to out of state r…