Porsche 912 Brake master cylinder
912 / 912E · 1965–1976 · Brakes · #14 most-needed for this chassis
OEM part number
Catalog parts for the 912 that match this topic, each with an OE number printed on a cited source. Pick the one for your model, year and position; confirm by VIN.
- 91135501201 Brake Master Cylinder (with contact switch)
- 90135501101 Brake Master Cylinder
Why owners need it
Forum/vendor consensus that this is a routine wear/failure item on the chassis family (retailer chassis landing pages & kit pages list it as a core maintenance/repair item).
Typical price seen: $80-$250 (USD, from research 2026-10-12; varies by brand and condition).
Search for it
Searches for “Porsche 912 Brake master cylinder”. Results are the vendor's own and may include parts that don't fit; check fitment.