This flange is designed to fit perfectly on Cummins Engines including KTA19, KTA38, KTA50, and NT855. It is a genuine part manufactured in China and is compatible with various exhaust and emission systems. The part number 206406 is OE/OEM which ensures a high-quality product for your car or truck. The flange is made for the specified engine models and is guaranteed to fit perfectly without any issues. It is an essential part of the exhaust system and is designed to maintain the optimal performance of your vehicle. Purchase this flange and be assured of its quality and compatibility with your Cummins engine.