Cummins 4061851X Fuel Injector Assembly

The Cummins 4061851X is a high-pressure diesel fuel injector designed for Celect and Common Rail injection systems. It serves as a direct replacement for Cummins M11, ISM11, QSM11, and L10 engine platforms. The injector assembly utilizes high-speed steel construction for needle and nozzle durability under extreme cylinder pressures. It ensures precise fuel atomization and metering for optimal combustion efficiency and emissions compliance. This unit supersedes multiple legacy part numbers including 4061851, 4061851EA, 4026222, and 4902921. Typical unit weight is approximately 2.0 kg. Compatible with heavy-duty truck and construction equipment applications utilizing the specified engine models.