The Crankcase Breather 4974922 is a crucial component designed specifically for Cummins Diesel Engine models ISZ, QSZ, and Z13. Made in China, this part is essential for maintaining the proper ventilation and filtration system within the engine’s crankcase. As an important part of the heavy equipment’s exhaust system, this crankcase breather ensures optimal performance and longevity for the engine. With its high-quality construction and precise engineering, it is a reliable choice for heavy equipment owners looking to keep their machines running smoothly.