This O Ring Seal is designed to fit Dodge Cummins Diesel XCEC Engines with precision and accuracy. Made from high-quality materials, this unit is manufactured in China and comes in a pack of 2. The OE/OEM Part Number is 3021123 and it is compatible with various Cummins engines. The O Ring Seal is an essential component for ensuring the integrity of the engine's seal system. It is a Type of O Ring Seal that is specifically designed for diesel engines. This product is perfect for motorcycle and scooter enthusiasts who want to enhance the performance of their engines.