OE w4909 — Brake Cylinder

What is OE number w4909?

OE (Original Equipment) number w4909 is a manufacturer's reference code for Brake Cylinder used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 3 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 w4909.