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STEEL & TORQUEHeavy machinery parts
423-11-31600In stockBrakes & Steering

WA380-6 Brake Cylinder Assembly — Komatsu Wheel Loader

Looking for a Brake Cylinder Assembly 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. The single-disc wet brake needs a new disc at every change — the disc is part of the kit.

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 Brake Cylinder Assembly
WA380-6 · Komatsu423-11-31600

Specifications

SpecificationsValue
OEM part number423-11-31600
MachineWA380-6 (2004–2015)
Serial rangeA50001 – C50000
Part categoryBrakes & Steering

Brakes & Steering

Other parts in this category

WA380-6 →

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

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Core return

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