Parts list: № Number Qty Name Options 1 L111978 2 Piston 2 AL181918 6 Spring (SUB FOR AL115529 APPL) 3 L56243 2 O-Ring 4 L56246 2 O-Ring 5 AL171954 2 Brake Disk TK= 4.9MM 5 AL171955 2 Brake Disk (FOR HEAVY-DUTY CONDITIONS) TK= 5.9MM 6 L114053 2 Disk TK= 22MM Next page: ST67779 HYDR. TRAILER BRAKE, OIL LINES (HYDRAULIC PUMP 28/45 CM3) ST67780 HYDR. TRAILER BRAKE, OIL LINES (HYDRAULIC PUMP 23/28/35CM3) (WITHOUT TLS) ST67781 HYDR. TRAILER BRAKE, OIL LINES (HYDRAULIC PUMP 23/28/35CM3) (WITH TLS) ST67782 AIR COMPRESSOR ASSY., AIR BRAKES ST67784 COMPRESSED AIR TANK, PRESSURE REGULATING VALVE AND TRAILER AIR BRAKE LINES ST67776 HANDBRAKE-BRAKE BAND ST67775 HANDBRAKE, BOWDEN CABLE (WITH CAB) ST67774 HANDBRAKE, BOWDEN CABLE (OPEN OPERATORS STATION) ST67772 BRAKE OIL LINES, CAB ST67769 BRAKE PEDAL, BRAKE SWITCH