The
6156-81-9110
is a Fuel Injector Wiring Harness designed specifically for Komatsu heavy
machinery. It connects the engine's control unit to the fuel injectors to manage
timing and fuel delivery.
Common Vehicle Fitment
This harness is used in a wide range of Komatsu excavators, wheel loaders,
and dump trucks:
Excavators: PC400-7, PC400LC-8, PC450-7, PC450LC-8.
Wheel Loaders: WA470-6, WA480-6.
Dump Trucks: HM300-2.
Engines: SAA6D125E series.
Key Specifications
Part Number: 6156-81-9110 (also written as 6156819110).
Type: Electrical Engine Nozzle/Injector Harness.
Design: Plug-and-play for direct replacement.
Construction: High-temperature resistant materials to withstand engine bay
heat.
Installation & Maintenance Tips
Professional Help: Because installation guides are rarely included with the
part itself, seeking professional mechanical help is highly recommended if you
aren't familiar with engine wiring.
Verification: Always cross-reference your specific engine serial number (S/N)
with the part number before installation to ensure exact compatibility.
Signs of Failure: Difficulty starting, engine misfires, or "Check Engine" codes
related to injector circuits often indicate a failing harness.
