Diaphragm: Type 24, Synthetic Rubber

Spring Brake Service Chambers and Slack Adjusters

• DOT-approved for on-road applications. All are made of steel except for Diaphragms Part Numbers: 2ZKF8 and 2ZKF9, which are made of synthetic rubber. Spring brake chambers feature a black epoxy spring housing for corrosion resistance and a fatigue-resistant diaphragm and spring. Include large mounting studs. Service chambers are direct replacements for popular models with full-threaded shafts for maximum adjustability. Include hardware. Diaphragms are gas- and oil-resistant (rubber/neoprene blend) and fabric-reinforced for extra strength and durability. Slack adjusters are coated for protection against rust, moisture, and other contaminants.
• Tested and certified to SAE J1462. Meet or exceed SAE J1402ADOT A11.