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Excavator Engine Parts
Electronically controlled common-rail fuel injector identified by manufacturer number 0 445 120 400. Cross-reference records associate this injector family with T417829 and Cat 449-3315 for C4.4 and C7.1 applications. The official 449-3315 equipment record includes C4.4 engine installations such as 313D2, 318D2, 320D2, M315 and M317. Confirm the original injector number, engine serial range and calibration/coding requirement before ordering.
Fitment status: Verified · Checked 2026-07-28Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | CRIN2-16-BL injector | 0445120400 |
| Formatted Alias | Spaced manufacturer format | 0 445 120 400 |
| OE Cross-Reference | Perkins injector reference | T417829 |
| OE Cross-Reference | Cat common-rail injector reference | 449-3315 |
Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.
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
3 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 Engine families: Caterpillar / Perkins C4.4 and C7.1, Published Cat equipment: 313D2 / 318D2 / 320D2 / M315 / M317 and selected C4.4 compactors, pavers and generator sets, Fitment limitation: Confirm original injector number, engine serial range and calibration/coding requirement. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 0 445 120 400.
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.
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