I'll be at DCS 2018 if you want to avoid shipping.

Delorean Brake Master Cylinder, purchased new from DMCH around 2006, used for 5 years before removal. A leak was suspected, but it may have been the reservoir. The reservoir was put on a new master, it leaked. An NOS reservoir was purchased, used, and no more leaks. Anyway, it may need a rebuild, it may not. $75. Pic:
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Used Delorean brake master reservoir (no cap, may leak), $5:
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I also have a 198# Saab 900 brake master cylinder with reservoir - $15, and another Saab reservoir - $5. The Saab units are crossovers, however the Saab reservoirs will need different grommets in the DMC brake master cylinders.
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Reservoir Reference:
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