Denso original Denso original Denso Diesel Engine Injector 095000-6640 095000-6641 6251113200 Injector Pump for PC400-8 SAA6D125E Excavator Accessories new injector original new original new injector

The DENSO 095000-6640 common rail diesel fuel injector is engineered as a direct OE replacement for Komatsu heavy equipment powered by the SAA6D125E-5 and 6D125 engines. It carries the authorized OE numbers 6251-11-3200, 6251-11-3201, 095000-6640, 095000-6641, and 9709500-664, with nozzle marking DLLA148P957, ensuring exact fitment for the PC400-8 excavator, WA470, WA470-6, and WA480-6 wheel loaders without modification. The electronically controlled high-pressure design delivers precise fuel quantity and injection timing under demanding load conditions.

Professional buyers prioritize correct OE matching, stable cold starting, low exhaust smoke, fuel economy, and consistent machine uptime. This injector addresses those requirements through precise metering, controlled atomization, and stable rail pressure response. For diagnostic evaluation, the full fuel system should also be checked, including the fuel filter, high-pressure pump, rail pressure sensor, metering valve, pressure relief valve, wiring harness, intake system, turbocharger, compression, and ECU command to confirm root cause before replacement.

Before installation, confirm the removed injector body number and OE number against the authorized list. Use clean diesel, replace the fuel filter, install new sealing parts, and complete injector coding if required by the ECU. Improper installation, contaminated fuel, or incorrect calibration can cause hard starting, rough idle, excessive return flow, rail pressure faults, and early failure. Each unit is supported by warranty coverage, fast delivery, and injector test data for B2B procurement confidence.