This exhaust manifold fit is designed for use with Cummins engines K38 QSK19 QSK38 QSK50 QSX15 QSX45 M11 L10. It is manufactured in China and is compatible with a variety of heavy equipment parts and accessories. This item is perfect for those in need of a replacement exhaust manifold fit for their Cummins engine, and it is sure to provide reliable and long-lasting performance.