KomatsuHydraulic Parts

421-03-44430 Hose — Komatsu WA380 WA450

OEM-specification Komatsu Hose. Part number 421-03-44430. Compatible with Komatsu Loader Wa380 7 Wa450 6 Wa470 6 Wa470 6A Wa470 8 Wa480 6 Wa480 8. Fits: WA4806, WA4806R, WA4706R.

Hose – Part No 421-03-44430 – Komatsu Spare Part
Part Specifications
BrandKomatsu
CategoryHydraulic Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.