Just got back from my always friendly and helpful local Mercedes dealership. Unfortunately, ......the crush washers and seals, for the delivery valves on my E300D, are NLA. Hard to believe, I know. I'm sure a lot of you guys already knew this, but it's news to me. So, now the big question: Does anyone know of an alternate source for these 2 critical pieces? The parts guys, at the dealer, suggested checking with an IP rebuilding company/service. Makes sense.... Any ideas? Thanks