Excavator Hydraulic Spare Parts

527-1720 38 MPa Pilot-Operated Relief Valve for Cat 320 323 326 330 336

Q: What numbers are documented for 527-1720?

Primary Part Number: 527-1720. Formatted Alias: 5271720. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 527-1720 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.

527-1720 38 MPa Pilot-Operated Relief Valve for Cat 320 323 326 330 336, OEM/reference 527-1720, Pilot-Operated Hydraulic Relief Valve, product view 1

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OEM / reference527-1720

SpecificationPilot-Operated Hydraulic Relief Valve

Catalog ID53198706

Pilot-operated hydraulic relief valve identified by the physical and official part number 527-1720. The official exact-number record specifies a 38 MPa relief setting and applications including 320, 320 GC, 323, 326, 330 and 336 families. Part number 527-1721 belongs to a separate valve and is intentionally excluded from this product's interchange data.

Product Type: Pilot-operated hydraulic relief valve
Pressure Setting: 38 MPa
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Official exact-number identity and physical engraving	527-1720
Formatted Alias	Same number without separator	5271720

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

527-1720

Formatting alias

5271720

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

Product summary

Pilot-Operated Hydraulic Relief Valve

Category: Excavator Hydraulic Spare Parts
Catalog ID: 53198706
Photo views: 5

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 320 / 320 GC / 323 / 326 / 330 / 336
Fitment limitation: Confirm 527-1720, pressure setting, thread, circuit 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 527-1720

Which machines use 527-1720?

Recorded compatible model references include Official model examples: Cat 320 / 320 GC / 323 / 326 / 330 / 336, Fitment limitation: Confirm 527-1720, pressure setting, thread, circuit and machine serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 527-1720?

Formatting aliases for the same number: 5271720.

How do I confirm 527-1720 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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