Excavator Engine Parts

0445224025 3977727 Fuel Rail for Cummins QSB4.5 / ISD4.5

Q: What numbers are documented for 0445224025?

Primary Part Number: 0445224025. Formatted Alias: 0 445 224 025. Equipment Manufacturer Number: 3977727. Archived Formatted Source Reference: C3977727. Remanufactured Service Number: 3977727RM. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 0445224025 before ordering?

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

0445224025 3977727 Fuel Rail for Cummins QSB4.5 / ISD4.5, OEM/reference 0445224025, Common-Rail Fuel Rail / Manifold, product view 1

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OEM / reference0445224025

SpecificationCommon-Rail Fuel Rail / Manifold

Catalog ID53088515

Common-rail fuel manifold identified by Bosch reference 0445224025 and Cummins reference 3977727. Bosch officially describes 0445224025 as a common-rail fuel rail with pressure-limiting valve and pressure sensor; exact-number diesel catalogs support Cummins 4.5 L QSB/ISD applications. Three exact owned physical rail views are retained. Confirm engine ESN, sensor connector and relief-valve configuration before ordering.

Product Type: Common-rail fuel rail / manifold
Pressure Valve: Pressure-limiting valve
Sensor: Supplied with pressure sensor - Bosch catalog
Engine Displacement: 4.5 L application family
Condition: New replacement rail

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Bosch fuel-rail reference	0445224025
Formatted Alias	Same Bosch number with spacing	0 445 224 025
Equipment Manufacturer Number	Cummins fuel-manifold reference	3977727
Archived Formatted Source Reference	Catalog prefix; verify quotation	C3977727
Remanufactured Service Number	Exact reman catalog	3977727RM

Product fitment guide

Part numbers and compatible models

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

Part identification

Reference numbers

Primary number

0445224025

Manufacturer number

3977727

Formatting alias

0 445 224 025
C3977727

Remanufactured number

3977727RM

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Common-Rail Fuel Rail / Manifold

Category: Excavator Engine Parts
Catalog ID: 53088515
Photo views: 3

Before ordering

Confirm these details

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.

Machine fitment

Compatible model references

2 model references

Supported engine families: Cummins QSB4.5 / ISD4.5 catalog applications
Fitment limitation: Confirm ESN, sensor connector and relief-valve configuration

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 0445224025

Which machines use 0445224025?

Recorded compatible model references include Supported engine families: Cummins QSB4.5 / ISD4.5 catalog applications, Fitment limitation: Confirm ESN, sensor connector and relief-valve configuration. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 0445224025?

Manufacturer number: 3977727. Formatting aliases for the same number: 0 445 224 025, C3977727. Remanufactured references: 3977727RM.

How do I confirm 0445224025 before ordering?

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.

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