189AM19
Drive Shaft Flange Nut
Mack

This flange nut secures the drive shaft flange to the transmission or differential, playing a crucial role in power transfer and drivetrain stability. Its robust design ensures a secure fit, preventing loosening due to vibrations and torque loads during operation. Proper installation of this nut is vital for maintaining drive shaft alignment and preventing mechanical failures that could lead to costly repairs or downtime. Using high-quality flange nuts like this one enhances the durability of the driveline components. Source One Parts Center provides this essential fastener to support the reliable operation of your truck’s drivetrain system, especially in demanding heavy-duty applications.