Good Day

I am having trouble finding this part: It is the fitting on the rear suspension accumulator. It sits in between the rubber line from the shock to the accumulator. I have looked at various sources online with no success. I was shocked to find out that the new accumulators I purchased did not come with these.

Thanks

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2001 E55

2001 E320 Sedan

2001 Subaru Legacy

2006 SLK280

2016 Subaru Outback 3.6