This premium Male Union Elbow is a direct replacement part for Cummins engines. The main part number is 3393258. It can also replace if you have these alternative codes. Designed to fit M11 ISM11 QSM11 perfectly. It meets OEM standards for reliable performance, stable operation, and long service life. Suitable for routine maintenance, engine repair, and full engine rebuilds. Easy to install and built to withstand heavy-duty working conditions. A cost-effective solution to keep your Cummins engine running smoothly and efficiently. It offers stable performance and long-term reliability for your Cummins engine.