This jaw coupling hub fit is designed for use with Cummins engines K19, K38, K50, QSK NT14, and NT855. It is manufactured in China and is a crucial component for ensuring the proper functioning of your heavy equipment. This hub fit is compatible with a variety of heavy equipment parts and accessories, making it a versatile addition to your inventory. Use it to securely attach your equipment and ensure optimal performance. Order now and enjoy the convenience of this high-quality product.