Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | CAT fuel-injector reference | 326-4756 |
| Remanufactured Alternative | CAT Reman injector; not the same new-part number | 10R-7951 |
Excavator Engine Parts
Brand illustration · Exact product photo available on request.
326-4756 is a fuel-injector group listed for selected 311D, 312D, 313D, 314D and 320D excavator arrangements. Remanufactured number 10R-7951 is a separate service alternative. Confirm the serial prefix, engine arrangement and injector calibration. The displayed EexcavaStart package is a catalog illustration, not a photograph of the supplied product.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | CAT fuel-injector reference | 326-4756 |
| Remanufactured Alternative | CAT Reman injector; not the same new-part number | 10R-7951 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
2 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include CAT excavators: 311D LRR / 312D / 312D L / 313D / 314D CR / 314D LCR / 320D / 320D L, Fitment limitation: Confirm CAT serial prefix, engine arrangement and injector calibration. Confirm the complete part number and machine serial range before ordering.
Remanufactured references: 10R-7951.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.