Excavator Hydraulic Spare Parts

723-47-26103 Main Control Valve for Komatsu PC300-7

Q: What numbers are documented for 723-47-26103?

Primary Equipment Part Number: 723-47-26103. Related Main-Valve Variant: 723-47-26101. Related Main-Valve Variant: 723-47-26102. Related Main-Valve Variant: 723-47-26104. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 723-47-26103 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.

723-47-26103 Main Control Valve for Komatsu PC300-7, OEM/reference 723-47-26103, Hydraulic Main Control Valve, product view 1

1 / 4

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

OEM / reference723-47-26103

SpecificationHydraulic Main Control Valve

Catalog ID51232362

Hydraulic main control valve identified by Komatsu part number 723-47-26103. The PC300-7 machine parts diagram lists 723-47-26103 as a complete control valve in the main-valve group. Adjacent 723-47-26101, 723-47-26102 and 723-47-26104 records are retained only as serial/configuration variants and are not presented as direct interchanges. Four owned views show the same complete yellow multi-spool valve, ports, relief-valve arrangement and cast body. Confirm the original tag, machine serial, valve bank, port layout and pilot configuration before ordering.

Product Type: Hydraulic main control valve
Primary Number: 723-47-26103
Configuration: Complete multi-spool valve assembly shown in owned photographs
Condition: New replacement control valve

Send email inquiry Ask on WhatsApp Return to catalog

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	Komatsu main control valve	723-47-26103
Related Main-Valve Variant	Serial/configuration dependent; not universal interchange	723-47-26101
Related Main-Valve Variant	Serial/configuration dependent; not universal interchange	723-47-26102
Related Main-Valve Variant	Serial/configuration dependent; not universal interchange	723-47-26104

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

723-47-26103

Related assembly

723-47-26101
723-47-26102
723-47-26104

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

Product summary

Hydraulic Main Control Valve

Category: Excavator Hydraulic Spare Parts
Catalog ID: 51232362
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

2 model references

Parts-book application: Komatsu PC300-7 crawler excavator
Fitment limitation: Confirm machine serial, original valve tag, port layout, valve bank and pilot 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 723-47-26103

Which machines use 723-47-26103?

Recorded compatible model references include Parts-book application: Komatsu PC300-7 crawler excavator, Fitment limitation: Confirm machine serial, original valve tag, port layout, valve bank and pilot configuration. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 723-47-26103?

Related assembly numbers (not direct interchanges): 723-47-26101, 723-47-26102, 723-47-26104.

How do I confirm 723-47-26103 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.

Browse this category