191GC433
Engine Crankcase Breather
Mack

This engine crankcase breather is a key component in managing crankcase pressure and preventing the buildup of harmful gases within the engine. It effectively directs blow-by gases away from the crankcase, reducing pressure and preventing oil leaks or seal damage. By maintaining proper ventilation, it helps ensure optimal engine performance and longevity. The breather also plays a role in controlling emissions, contributing to environmental compliance. Its construction is designed to withstand high temperatures and exposure to engine oils and contaminants, ensuring reliable operation over time. Proper maintenance and replacement of this part are crucial for preventing engine issues related to pressure buildup. Source One Parts Center supplies this vital component, supporting your engine's health and operational efficiency.