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This Alcon replacement piston is specified with a 34.9 x 29.9 dimension for use in Alcon brake caliper service and rebuilding. Supplied as a single piston element, it’s intended for caliper overhaul or parts replacement where the 34.9 x 29.9 piston dimension is required to restore correct caliper operation. The listing identifies the exact piston dimensions to ensure compatibility during caliper rebuilds.
Alcon 34.9x29.9 Piston
