Diaphragm & Seals



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The diaphragm is mostly found in commercial vehicle braking systems. It is a vital sealing component in the Air Braking Chamber that provides brake force by forcing the pushrod into the brake chamber via a pressure transfer technique. 

All Truck Parts LIMITED provides OEM/ODM services and stocks a huge range of diaphragm covers all major truck brands. We provide custom design to suit your requirements and needs. Get your diaphragm today from ATP to get your truck fixed and back on the road quickly.


  • Various hardness for your choice
  • 100% eco-friendly silicone
  • Good heat resistance
  • Long life service
  • Strict quality control
  • Application: Any brand (Mercedes,Volvo, Scania‚Ķ etc) of Trucks/ Trailers/ Busses/ Coaches/ Heavy Duty Vehicles/ Commercial Vehicles 

Please Note: Due to redundant information, we do not list all of our products. The above are the few features of control valves commonly found. We welcome your inquiry for products or models that are not published on the website. The final decision of the product is subject to both parties’ agreement.

Please download the catalog for more specific parts.

Check out our diaphragm & seals

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