Well you might check with the folks here at Fastlane. If that does not get you help I suppose the dealer in your area might have what you need.

FWIW.....I have measured two of mine; and eventhough the two axle designs were different, both spacers checked out the same at .039" to .040". The circlips themselves are about .069". Do you have a feel for about how much thinner the spacer needs to be in your case?

Mine were really tough to get off, and I bopped myself in the nose once. I currently do not have a really good tool to remove or replace, but I did get two shafts removed and the good shaft remounted along with the clip.

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1961 190Db retired
1968 220D/8 325,000
1983 300D 164,150