KomatsuDrive & Swing Parts

21w-43-41321 Throttle Motor — Komatsu PC78MR PC78UU

OEM-specification Komatsu Throttle Motor. Part number 21w-43-41321. Compatible with Komatsu Excavator Pc78Mr 6 Pc78Uu 6 Pc78Us 6.

Throttle Motor – Part No 21w-43-41321 – Komatsu Spare Part
Part Specifications
BrandKomatsu
CategoryDrive & Swing 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.

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

706301210
Filter Hydraulic
20y-26-22191
Drive & Swing Parts Component
1850-0111
Motor Assembly S
419-20-34110
Drive & Swing Parts Component
600-863-5711
Starting Motor
421-20-32712
Drive & Swing Parts Component

Browse all Komatsu Drive Swing Parts →

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.