191GC428
Engine Crankcase Breather
Mack

This crankcase breather plays a vital role in managing crankcase pressure and venting harmful gases away from the engine. Its efficient design prevents pressure buildup, which can lead to oil leaks or seal failures. The breather helps maintain proper engine ventilation, reducing the risk of sludge formation and prolonging engine life. Constructed from materials resistant to oil and contaminants, it ensures consistent performance over time. Proper maintenance of this component is essential for optimal engine operation and emissions compliance. Source One Parts Center offers this critical part, supporting your engine’s health and efficiency.