MAN Injection nozzle 6-hole 51101020235

About this part

Genuine MAN six-hole injection nozzle for the D2840 LE301. The hole count and hole diameter together determine how the fuel charge is distributed through the combustion chamber, and both are matched to the engine's bowl geometry and rating, and neither is a free choice. Holes wear in a particular way: combustion erodes them slightly larger over time, which increases flow and coarsens the spray simultaneously, so an old nozzle delivers more fuel less well. That is why worn nozzles often present as higher fuel consumption and smoke instead of a loss of power. A nozzle cannot be usefully cleaned back to specification once the holes have eroded — carbon can be removed, metal cannot be replaced. Flow testing is what settles it, and it is the reason a reputable shop measures instead of inspecting.

Supplied new, in the manufacturer’s packaging, with our warranty of up to 24 months.

Engines this part fits