This connection gasket is specifically designed to fit Cummins Engine 6CT models. It is made in China and comes with a manufacturer part number of 3992092, 5443707, and 3921605. The unit quantity is one and it is sold as a unit type. This gasket is perfect for those looking for a replacement part for their Cummins Engine 6CT. It is a great addition to any commercial truck part collection and is sure to fit perfectly with minimal assembly.