702-21-09147 Self-Pressure Reducing Pilot Valve for Komatsu PC200-6 PC220-6 PC300-6
4 product photos · Swipe on mobile, or hover and select a thumbnail.
OEM / reference702-21-09147
SpecificationSelf-Pressure Reducing Pilot Valve
Catalog ID51280621
Self-pressure reducing pilot valve assembly identified by exact part number 702-21-09147. Multiple parts records support Komatsu PC200-6, PC220-6 and PC300-6 families, and the owned photographs show a matching valve assembly with genuine-parts packaging. Number 702-21-09146 is treated as a related earlier/version record, not an automatic direct interchange.
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 Part Number
Self-pressure reducing valve
702-21-09147
Related Version
Earlier/alternate application record; verify serial
702-21-09146
Related Version
Same valve family; not asserted direct interchange
702-21-09145
Related Version
Same valve family; not asserted direct interchange
702-21-09143
Fitment data verified.
Reference and application details were reviewed against exact part-number records · Checked 2026-08-01. Confirm the machine serial range before ordering.
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
702-21-09147
Related assembly
702-21-09146
702-21-09145
702-21-09143
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Self-Pressure Reducing Pilot Valve
Category
Excavator Hydraulic Spare Parts
Catalog ID
51280621
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.
Fitment limitation: Confirm machine serial, valve block ports and parts-book number
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 702-21-09147
Which machines use 702-21-09147?
Recorded compatible model references include Komatsu -6 family: PC200-6 / PC210-6 / PC220-6 / PC300-6, Additional catalog families: PC230-6 / PC350-6 / PC400-6, Fitment limitation: Confirm machine serial, valve block ports and parts-book number. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 702-21-09147?
Related assembly numbers (not direct interchanges): 702-21-09146, 702-21-09145, 702-21-09143.
How do I confirm 702-21-09147 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.
More in Excavator Hydraulic Spare Parts
Continue comparing verified references from the same system.