№ Part Number Description Part count in models 201454-П29 Bolt М8х1,25х16 2 214Б-3721043 Signal pneumatic switch BK-40A 1 250-3721045-30 Pipe from switch to air valve 1 250Б-3721011 Horns attachment bracket 1 252038-П29 Washer 8 2 252135-П2 Spring washer 8 4 314629-П29 Union K1/8"M16x1,5 1 314Б-3721040 Two-tone air horn 1 С306Г-3721000 Low-tone horn C306Г 1 С307Г-3721000 High-tone horn C307Г 1