Product Description
Cummins Front Gear Cover Plug 3688114 is a replacement rubber plug designed to seal an opening in the front gear cover of compatible Cummins diesel engines.
This plug helps prevent engine oil leakage and keeps dirt and other contaminants from entering the timing gear housing. Its rubber construction provides a secure fit within the designated gear cover opening.
Used in select Cummins ISX, ISX15, QSX15, ISM, M11, and L10 engine configurations. Suitable for replacement during front gear cover servicing, engine rebuilding, or repairs involving missing, worn, or damaged plugs.
Replaces Cummins part numbers 4082974 and 3892666. Cross-references PAI 042167.
Sold individually. Verify compatibility with your engine serial number and front gear cover configuration before ordering.
