American Motorhome RV Velvac 031031 7" Air Brake Diaphragm

AMERICAN MOTORHOME RV VELVAC 031031 7" AIR BRAKE DIAPHRAGM AMERICAN MOTORHOME RV VELVAC 031031 7" AIR BRAKE DIAPHRAGM Component Type: Type 24 Air Brake Chamber Diaphragm Outside Diameter: 7.00 inches (177.8 mm) Material: Fabric-reinforced rubber/neoprene blend (gas, oil, and ozone resistant) Function: Seals the service section of a Type 24 brake chamber to convert pneumatic air pressure into mechanical force against the pushrod