This Alcon replacement piston is specified with a 47.6 x 33.0 dimension for use in Alcon brake caliper service and rebuilding. Supplied as a single piston component, it’s intended for caliper overhaul or parts replacement where the 47.6 x 33.0 piston specification is required to restore caliper function. The listing emphasizes the exact piston dimensions to ensure correct selection during a brake caliper rebuild.
Alcon 47.6x33.0 Piston