The WABCO 8972909604 is an original sealing ring, an essential component for maintaining system integrity and preventing leaks in various commercial vehicle applications. Manufactured by WABCO, a trusted leader in braking and control technologies, this sealing ring ensures reliable performance and a precise fit. It features an inner diameter of 21 mm, an outer diameter of 26 mm, and a thickness of 2.5 mm, designed to meet exact specifications for optimal sealing.