Choosing an injector starts with the engine, not the excavator or truck badge. Two machines with the same model name can carry different engine arrangements.
A practical match
- Record the engine serial and arrangement number from the data plate.
- Identify the fuel system: mechanical, HEUI, or common rail.
- Compare the connector and the hold-down style with the old part.
- Check whether the engine uses injector trim codes.
Common-rail injectors are sensitive to dirt. If one failed from contamination, replace the filters and inspect the tank before the new set goes in. Metal in the fuel usually means a deeper fault in the pump or lines.
Send a photo of the old injector and the engine plate with your enquiry. That is faster than guessing from a machine model alone.