The Bendix 7.9" Type 30 Brake Chamber Diaphragm is a reliable and durable service replacement diaphragm designed to provide long-lasting performance. This diaphragm is made from high quality rubber that is resistant to tearing, cutting and abrasion, even when used in scalding temperatures. It is the perfect choice for quick upkeep and minimal downtime. With its superior construction, this diaphragm is sure to provide reliable service. FleetPride is your First Click in Heavy Duty®.