This male adapter elbow is a high-quality product that is designed to fit Cummins engine models K19, K38, K50, N14, and NT855. It is made in China and comes with a manufacturer part number of 121229. This product is perfect for those who are looking for a reliable and durable male adapter elbow for their Cummins engine. It is made with high-quality materials and is designed to provide a perfect fit for the listed engine models. It is easy to install and use, and it is a great addition to any commercial truck parts collection.