Our 3688114 gear cover plug, with replacement part numbers 4082974 and 3892666, is purpose-built for Cummins M11, ISM11, QSM11, ISX, QSX, and L10 series engines. Precision-machined from high-strength steel with a perfect sealing design and corrosion-resistant finish, it ensures a tight, leak-free fit with the engine's gear cover, preventing oil leaks and protecting the engine's gear train components from dust and contamination. The plug's easy-to-install design requires no special tools, making it a quick and reliable replacement for worn or damaged plugs during routine engine maintenance and overhauls.
Supersedes:4082974 3892666
