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STEEL & TORQUEHeavy machinery parts
423-03-31430In stockTransmissions & Driveline

WA380-6 Variable Oil Pump — Komatsu Wheel Loader

Looking for a Variable Oil Pump for the WA380-6 Komatsu Wheel Loader? You are in the right place. Send us your machine serial and the parts desk confirms fitment, condition and price — we normally answer within one business day. Torque converter and transmission are core items: confirm the serial before ordering, because the version changes between generations.

Call to help verify fitment and always confirm the part number before ordering.

Pricing & availability

This part is quoted individually — new, rebuilt and used options are often available.

ConditionOn request
Call the parts desk

OEM — Factory part, full warranty, exact fitment to the machine serial.

Fits these machines

Partial list from OEM application data. Send us your model and serial and we will confirm the fit.

WA380-6 Variable Oil Pump
WA380-6 · Komatsu423-03-31430

Specifications

SpecificationsValue
OEM part number423-03-31430
MachineWA380-6 (2004–2015)
Serial rangeA50001 – C50000
Part categoryTransmissions & Driveline

Transmissions & Driveline

Other parts in this category

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Fitment guarantee

If it does not fit, we make it right — fast.

Fast order processing

Most orders ship within 1–2 business days.

Real parts people

Call, text or chat with a parts expert.

Core return

Rebuilt core with a return label and a 30-day credit.