Excavator Engine Parts

0445120383 5317323 Common-Rail Injector for Cummins QSB4.5 QSB6.7

Q: What numbers are documented for 0445120383?

Primary Manufacturer Part Number: 0445120383. Formatted Alias: 0 445 120 383. Equipment Part Number: 5317323. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 0445120383 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / reference0445120383

SpecificationCommon-Rail Fuel Injector

Catalog ID79203347

Product Type: Common-Rail Fuel Injector
Sealing: Bosch catalog lists with sealing ring
Calibration: Confirm injector trim/code and engine CPL
Gallery Representation: EexcavaStart neutral packaging illustration; exact product photo available on request

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	Bosch common-rail injector reference	0445120383
Formatted Alias	Same Bosch number with spacing	0 445 120 383
Equipment Part Number	Cummins reference	5317323

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.

Part identification

Reference numbers

Primary number

0445120383

Formatting alias

0 445 120 383

Other documented relationship

5317323

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Common-Rail Fuel Injector

Category: Excavator Engine Parts
Catalog ID: 79203347
Illustration views: 1

Before ordering

Confirm these details

Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with your original unit and the recorded specifications.
Confirm the exact machine or engine model and serial range before ordering.

Machine fitment

Compatible model references

2 model references

Engine families: Cummins QSB4.5 / QSB6.7
Equipment family: Cummins-powered construction and industrial equipment using 5317323

Fitment / evidence notes

Fitment limitation: Confirm injector marking, trim code, CPL, connector and engine serial range

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

Common questions about 0445120383

Which machines use 0445120383?

Recorded compatible model references include Engine families: Cummins QSB4.5 / QSB6.7, Equipment family: Cummins-powered construction and industrial equipment using 5317323. Recorded fitment/evidence notes: Fitment limitation: Confirm injector marking, trim code, CPL, connector and engine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 0445120383?

Formatting aliases for the same number: 0 445 120 383.

How do I confirm 0445120383 before ordering?

Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with your original unit and the recorded specifications. 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.

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