OE e4121 — Brake calliper, piston, brake calliper

What is OE number e4121?

OE (Original Equipment) number e4121 is a manufacturer's reference code for Brake calliper used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 6 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE e4121.