792GB219
Accessory Drive Coupling
Mack

This drive coupling is a key component in the accessory belt drive system, facilitating the transfer of rotational power from the engine to auxiliary components such as alternators and pumps. Its durable construction ensures reliable engagement and smooth operation, reducing the risk of belt slippage or failure. The coupling’s design accommodates thermal expansion and mechanical stresses, maintaining system integrity over time. Proper installation and maintenance of this part are critical for ensuring the longevity of the accessory drive system. It contributes to the overall efficiency and performance of the engine’s accessory systems. Source One Parts Center supplies this coupling as a trusted component for keeping your truck’s auxiliary systems functioning optimally.