KomatsuBearing & Bushing

8H7801 8H7803 — Komatsu 621 623

OEM-specification Komatsu 8H7803. CTP aftermarket replacement. Part number 8H7801. Compatible with 621, 623, 627, 657, 657b, 666, 725, 725C, 730, 730C, 735, 735b, 740, 740b, CX31, CX31-C13i, CX31-C15i, CX31-C18i, CX31-C9i, CX31-P600, CX35, CX35-C18i, CX35-P800, D250e ii, D300e ii, D350e ii, D400e i.

8H7803 – Part No 8H7801 – Komatsu Spare Part
Part Specifications
BrandKomatsu
CategoryBearing & Bushing
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

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

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