Product Specifications:
Engineered to master the relentless hydraulic demands and heavy dirt environments of professional earthmoving operations, the 0445120367 is an ultra-rugged aftermarket Common Rail Diesel Fuel Injector. Precision-machined for the highly versatile Cummins ISB/QSB and Komatsu 107 series industrial engines, this heavy-duty core instantly restores maximum factory fuel atomization and unwavering rail pressure. Featuring pre-calibrated flow characteristics for seamless ECU learning, it guarantees a genuine drop-in installation, enabling your excavators and wheel loaders to bypass expensive dealership diagnostic holds and rapidly resume peak trenching and lifting capacity.
📊 Part Number Cross Reference
(Data verified via global catalog search – Extensive Interchangeability)
| Manufacturer Ref (Bosch Style) | Original Equipment (Cummins / Komatsu) |
| 0445120367 | 6754-11-3011 / 4945969 |
| 0445120231 / 0445120059 | 6754-11-3010 / 5263262 |
🚛 Fits Applications (Engine & Vehicle)
(Verified application list)
| Make | Model / Application | Engine Size | Year | Engine Code & Specs |
| Cummins | Industrial Machinery & Heavy Trucks | 4.5 / 6.7 d | Various | ISB, QSB |
| Komatsu | Excavators (PC200-8, PC220-8) | 4.5 / 6.7 d | Various | SAA4D107, SAA6D107 |
👨🔧 Tech Notes & Installation Guide
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💰 Why Replace the Full Set?
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The Risk: Operating a hard-working excavator with a degraded injector creates extreme fuel pressure drops. This directly causes violent hydraulic stalling under heavy digging loads (严重憋车), catastrophic fuel waste, and rapid exhaust aftertreatment soot clogging that will quickly trigger an unplanned job-site shutdown.
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The Fix: We strongly advise leveraging our Volume Discounts to purchase a fully synchronized set of 4 or 6 units (depending on your specific block). This ensures perfectly balanced cylinder combustion, returning your machinery to a smooth, robust idle and safely recovering its maximum operational breakout force.
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✅ Direct Replacement (No Coding Required):
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Pre-calibrated to exact OEM tolerances on advanced DCI test benches, this precision unit delivers auto-adaptive flow readiness, entirely bypassing complex IMA coding and dealership software limits to drastically slash your field mechanic’s repair downtime.
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⚠️ Critical Cleaning Step:
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Earthmoving site fuel tanks naturally ingest highly abrasive silica dust and water. You must thoroughly flush the entire high-pressure fuel rail and install a brand-new OE-quality 5-micron fuel filter before ignition; failure to do so causes instant contamination scoring and will strictly void the 30-day manufacturing defect policy.
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🔍 Explore More Heavy Duty Parts:
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Looking for more options? Browse our complete selection of Fuel Injectors & Pumps.
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⚖️ Legal Disclaimer
Part numbers, OE numbers, and brand names mentioned above are for reference and identification purposes only. This product is a compatible aftermarket replacement part and is NOT manufactured, sponsored, or affiliated with the original equipment manufacturers.
