brake chamber ZD NO.: S7901 ORIGINAL NO.: ZD 24/30DD brake chamberZD NO.: S7901ORIGINAL NO.: ZD 24/30DDINTRODUCTION: Spring duration>100,000times diaphragm duration:>1,000,000times(normal temperature) shell thickness:3mm shell color:gold or black body connection:rivet or screw ZONTON PRODUCT LIST--OEM NO.: FOOT BRAKE VALVE461 315 012 0/ (MB) 4821/ 4613150080/ 4613150420/ 4613150040/ 4613150530/ ...