Excavator Hydraulic Spare Parts

4324256 4678480 Oil-Return Check Valve for ZX330-3 ZX350H-3

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OEM / reference4324256

SpecificationHydraulic Oil-Return Check Valve

Catalog ID51242454

Confirm fitment before ordering Send the complete part number, machine model and a nameplate photo for confirmation.

Product Type: Hydraulic oil-return check valve
Construction: Spring-loaded threaded valve
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.

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 Part Number	Oil-return check valve	4324256
Cross-reference (fitment check required)	Paired exact-number application records	4678480
Related Source Reference	Direct interchange not proven	4387143

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

4324256

Cross-reference (fitment check required)

4678480

Related assembly

4387143

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

Hydraulic Oil-Return Check Valve

Category: Excavator Hydraulic Spare Parts
Catalog ID: 51242454
Photo views: 4

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

1 model reference

Exact-number source applications: ZX330-3 / ZX350H-3 / ZX360H-3G / ZX400W-3

Fitment / evidence notes

Fitment limitation: Confirm original number, thread, spring length and circuit position

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 4324256

Which machines use 4324256?

Recorded compatible model references include Exact-number source applications: ZX330-3 / ZX350H-3 / ZX360H-3G / ZX400W-3. Recorded fitment/evidence notes: Fitment limitation: Confirm original number, thread, spring length and circuit position. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 4324256?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Related assembly numbers (not direct interchanges): 4387143.

How do I confirm 4324256 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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Part-number relationships

Part numbers and compatible models

Reference numbers

Hydraulic Oil-Return Check Valve

Confirm these details

Compatible model references

Common questions about 4324256

Which machines use 4324256?

What numbers are documented for 4324256?

How do I confirm 4324256 before ordering?

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