Denso original Denso original Injector 095000-0562 095000-0560 095000-6290 6218-11-3101 6218113101 for PC400-7 PC450-8 Excavator Diesel Fuel Injector Spare Parts original new original new injector

The DENSO 095000-0560 common rail fuel injector is engineered as a direct original-type replacement for KOMATSU 4 Series diesel engines, including the 6D140, SAA6D140, SA6D140, P140, and SA60140 platforms. This electronically controlled injector operates within a high-pressure common rail fuel system, delivering precisely metered fuel through fine atomization for clean and efficient combustion. The ECU-controlled injection quantity and timing function independently from engine speed and load, supporting multi-injection strategies that noticeably reduce black smoke during cold start and rapid acceleration. Fully interchangeable with authorized cross reference numbers 0950000562, 095000-0560, 095000-0561, 6218-11-3100, 6218113100, 6218-11-3101, 6218113101, 6218-11-3102, and 6218113102, the unit is widely deployed in KOMATSA PC600-8, PC750-8, PC200-7, PC300-7, PC400-7, PC450-8, PC600-6 excavators, HM350 articulated dump trucks, and similar heavy construction machinery used in mining, earthmoving, and infrastructure projects.

Reliable service life depends heavily on clean diesel fuel, proper filtration, effective water separation, and correct professional installation. Contaminants such as water, rust, dust, and low-quality diesel can rapidly damage the nozzle, solenoid control valve, and internal precision components. When symptoms such as hard starting, long cranking, rough idle, black or white smoke, power loss, elevated fuel consumption, knocking, misfire, external fuel leakage, carbon blow-by, abnormal rail pressure, fuel dilution, or engine derate appear, technicians should perform return flow testing, rail pressure monitoring, oil dilution checks, and full injector bench testing. Before installation, the old injector body number, KOMATSU OE reference, engine model, engine serial number, and machine serial number must be cross-checked to confirm compatibility and prevent fitment errors.

During installation, the injector bore must be thoroughly cleaned, sealing washers and O-rings replaced with new components, the high-pressure delivery pipe inspected for damage or wear, and the fuel system fully bled of air. After installation, professional diagnostic equipment should be used to verify the injector correction code, confirm stable rail pressure, measure return flow, perform cylinder balance tests, and clear any stored ECU fault codes. Correct commissioning ensures stable idle quality, restored power output, controlled exhaust emissions, and long-term durability under the severe load cycles typical of KOMATSU heavy equipment operations.