A2 Z50021 rebuild kit for A2806 F-3N (not available individually) A2806 – F3N caliper ST11 (for the complete caliper) Repair Kit for A2806 - alternative 102604261+102604260+102604246+102607150+100850006+102606237 102604261 102604260 102604246 102607150 100850006 102606237 B2 A2026 G3.5 A2158 G3.5N A2167 82830 – BI 206 standard unit G3.5N A2176 typing mistake, the correct A2167;