KomatsuGround Engaging Tools

4N4399 Ring-Piston — Komatsu 3304 3306

OEM-specification Komatsu Ring-Piston. CTP aftermarket replacement. Part number 4N4399. Compatible with 3304, 3306, 3406, 3406B, 3408, 3412, 768B, 769, 772, 777, D342, D342C, D348, D353C, D379A, D379B, G3304, G343, G379, G399.

Ring-Piston – Part No 4N4399 – Komatsu Spare Part
Part Specifications
BrandKomatsu
CategoryGround Engaging Tools
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.

WhatsApp for Price & Availability☎ Call Mumbai Office

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

Related Komatsu Parts

From the same category — may also be needed

421-838-1110
Ground Engaging Tool
4T2236
Caterpillar Ground Engaging Tool
232-70-59120
Bit
4W0511
Ground Engaging Tool
203-70-43180
Bucket Tooth
20y-54-39450
Wiper Blade

Browse all Komatsu Ground Engaging Tools →

Installation & Application Notes

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

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