5. Brake Booster
B4M1974A
(1) Push rod
(2) Return spring
(3) Reaction disc
(4) Key
(5) Filter
(6) Silencer
(7) Operating rod
(8) Poppet valve
(9) Valve body
(10) Plunger valve
(11) Diaphragm plate
(12) Valve return spring
8
4-4 [C500] COMPONENT PARTS
5. Brake Booster