Excavator Hydraulic Spare Parts

173-3452 M33 Direct-Operated Relief Valve for Cat 320C 320D 320E 323

Q: What numbers are documented for 173-3452?

Primary Part Number: 173-3452. Formatted Alias: 1733452. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 173-3452 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.

173-3452 M33 Direct-Operated Relief Valve for Cat 320C 320D 320E 323, OEM/reference 173-3452, Direct-Operated Hydraulic Relief Valve, product view 1

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6 product photos · Swipe on mobile, or hover and select a thumbnail.

OEM / reference173-3452

SpecificationDirect-Operated Hydraulic Relief Valve

Catalog ID53196965

Direct-operated hydraulic relief valve group identified by part number 173-3452. The official exact-number record specifies an M33 threaded valve with seal and lists applications including 320C, 320D, 320E and 323 families. Six matching owned photographs show the complete valve body and physical 1733452 marking.

Product Type: Direct-operated hydraulic relief valve
Thread: M33
Seal: Included in official valve group
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Official exact-number identity	173-3452
Formatted Alias	Same number without separator	1733452

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

173-3452

Formatting alias

1733452

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

Product summary

Direct-Operated Hydraulic Relief Valve

Category: Excavator Hydraulic Spare Parts
Catalog ID: 53196965
Photo views: 6

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

Official model examples: Cat 320C / 320D / 320E / 323
Fitment limitation: Confirm 173-3452, relief setting, thread and machine serial

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 173-3452

Which machines use 173-3452?

Recorded compatible model references include Official model examples: Cat 320C / 320D / 320E / 323, Fitment limitation: Confirm 173-3452, relief setting, thread and machine serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 173-3452?

Formatting aliases for the same number: 1733452.

How do I confirm 173-3452 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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