Denso original Denso original Denso 095000-6290 6245-11-3100 Fuel Injector for SAA6D170E-5A PC1250-8 PC450-8 Excavator Diesel Engine Spare Parts new injector original new original new injector

The DENSO 095000-6290 common rail diesel fuel injector is engineered for KOMATSU heavy equipment powered by the SAA6D170E and SAA6D170E-5A engines, also referenced as the 6D170 platform. Designed as an electronically controlled high-pressure common rail injector, it directly replaces OE part number 6245-11-3100, with cross references 095000-6290, 0950006290, 6245113100, DLLA142P933, and 093400-9330. The component is widely applied in KOMATSU excavators, mining equipment, construction machinery, and quarry vehicles operating under high-load conditions.

This injector delivers precise fuel quantity at the correct timing for efficient combustion, supported by high injection pressures and tighter manufacturing tolerances than older mechanical injector designs. Within the common rail fuel system, fuel is pressurized by the high-pressure pump, stored in the common rail accumulator, and atomized through the injector nozzles directly into the combustion chambers. This process improves fuel atomization, supports cleaner combustion, and helps reduce black smoke, excessive fuel consumption, and power loss when the injector is functioning within specification.

As a precision common rail component, this DENSO injector requires clean diesel, proper fuel filtration, effective water separation, correct installation, and accurate injector coding. Common symptoms indicating replacement include hard starting, rough idle, white or black smoke, knocking, misfire, excessive return fuel, rail pressure deviation, and external fuel leakage. The injector should remain sealed with its protective cap installed until final installation, kept dry, dust-free, and protected from impact. A full fuel system inspection covering the fuel filter, high-pressure pump, rail pressure sensor, metering valve, pressure relief valve, wiring harness, intake, turbocharger, compression, and ECU command is recommended before final commissioning.