Cooling Spare Parts

4377396 Radiator for Hitachi EX450-5 and EX450LC-5 Excavators

Q: What numbers are documented for 4377396?

Primary Equipment Part Number: 4377396. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 4377396 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.

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OEM / reference4377396

SpecificationEngine-Cooling Radiator

Catalog ID51858556

Engine-cooling radiator identified by exact part number 4377396 for Hitachi EX450-5 and EX450LC-5 excavators. The independent exact-number record and the EexcavaStart owned source agree on radiator identity and listed machine family. Confirm the complete number, machine serial, core dimensions, inlet and outlet positions, filler neck, drain and mounting points before ordering.

Product Type: Engine-cooling radiator assembly
Core Dimensions and Rows: Compare with original
Inlet, Outlet, Filler and Drain: Compare with original
Mounting Points: Compare with original
Condition: New replacement part

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

Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Hitachi radiator identity	4377396

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

4377396

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

Product summary

Engine-Cooling Radiator

Category: Cooling Spare Parts
Catalog ID: 51858556
Photo views: 1

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 Machines: Hitachi EX450-5 / EX450LC-5
Fitment Limitation: Confirm 4377396, machine serial, core, ports and mounts

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 4377396

Which machines use 4377396?

Recorded compatible model references include Supported Machines: Hitachi EX450-5 / EX450LC-5, Fitment Limitation: Confirm 4377396, machine serial, core, ports and mounts. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 4377396?

No alternate number is listed for 4377396. Send the original nameplate for an alternate-number check.

How do I confirm 4377396 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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