It is installed between the engine block and the oil pan. It prevents lubricating oil from leaking out and dust or contaminants from entering the lower part of the engine.
For the L10 engine, the Mechanical, CELECT, and Gas versions are listed. Compatibility with other engines, such as the M11, ISM, and QSM, must be verified using the engine serial number (ESN), as different oil pans may be used.
Cylinder head; can be used as a seat for the intake or exhaust valve, depending on the cylinder head configuration.
Compatible engines: Cummins L10 / LTA10. Some aftermarket catalogs also list the M11, but Cummins officially specifies part number 3418040 primarily for non-certified 10-liter L10 engines. Always verify using the Engine Serial Number (ESN).