KomatsuHydraulic Parts

4s8906 Valve Seat Insert Exhaust (.005 — Komatsu D9G D9H

OEM-specification Komatsu Hydraulic Component. Part number 4s8906. Compatible with D9G, D9H,; Engine: D353C, D379, D379A, D379B, D398, D398A, D398B, D399, G353D, G379, G398, G399.

Valve Seat Insert Exhaust (.005 – Part No 4s8906 – 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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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.