Brake Master Cylinder 14mm | Single Disc Airheads '74-'80 Except R65
Highest quality reproduction front brake under tank master cylinder. Replaces BMW 34 31 1 234 381.
100% complete except for the hydraulic brake switch which can be transferred from old master cylinder if still functional.
Fully rebuildable, two-year warranty. Use DOT 4 brake fluid.
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