This exhaust manifold is designed to fit Cummins Diesel Engine M11 QSM ISM. It is manufactured in China and comes with a unit quantity of 1. The manufacturer part number for this unit is 3104237X. This exhaust manifold is a great addition to your vehicle and is perfect for those who are in need of a replacement. It is made of high-quality materials and is built to last. With its exceptional design, this exhaust manifold is sure to provide the performance and durability that you need.