Guys, I'm an idiot.

Despite having a stomach flu and being exhausted from being up all night puking, I decided to replace my delivery valve o-rings and crush washers.

I lost a spring. It's gone. Like, I've spent hours looking for it, moved almost everything in the garage, stuck a magnet in every crevice in the engine bay, but no joy.

Also, I can't find a part number anywhere for the spring. Can one of you gents help me out with that part number? I couldn't find it in alldata either.

Thanks!

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1997 E300 Diesel - 222K miles