This air intake manifold spacer is designed to fit Cummins engines K19 and K38 with NT855. It is a high-quality unit that ensures optimal airflow to the engine. The spacer is made in China and comes with a manufacturer part number of 145782. This unit is perfect for those looking to upgrade their engine's air intake system. It is easy to install and ensures a reliable and efficient performance. The unit quantity is one, and it is sold as a commercial truck part. Get your engine running smoothly again with this air intake manifold spacer.