The TECTRAN type 20 brake chamber diaphragm features a 6-9/16" diameter, engineered with an innovative design that ensures optimal pressure distribution, delivering reliable braking performance. Constructed from materials that promise enhanced durability and an extended service life, it withstands environmental stressors such as extreme temperatures and moisture. It effectively minimizes vibration and noise, contributing to a smoother driving experience. Additionally, it is designed for a quick response during emergency situations.