Product Specifications:
Engineered to withstand the relentless grueling cycles of heavy-duty construction hauling and long-distance distribution, the 0445120020 is an elite aftermarket Common Rail Diesel Fuel Injector perfectly calibrated for the robust 11.1L dCi (6-cylinder) Euro 3 engines. Functioning as the vital fuel delivery core for commercial transport legends like the 2001-2006 Renault Trucks Kerax and Premium (362-412 BHP), this precision component seamlessly restores factory-grade fuel atomization under extreme loads. Upgrading to this premium unit instantly cures erratic idling, dramatically reduces heavy black exhaust smoke, and safely recovers the massive low-end torque necessary for pulling fully loaded trailers on steep inclines. Designed as a direct mechanical drop-in, it guarantees true plug-and-play installation with zero complex ECU coding required, ensuring your logistics fleet stays on the highway and out of the repair bay.
📊 Part Number Cross Reference
(Data verified via global catalog search – Extensive Interchangeability)
| Manufacturer Ref (Bosch Style) | Original Equipment (Renault Trucks / Iveco) |
| 0445120020 | 50 10 550 956 / 5010550956 |
| 0445120019 / 0986435523 | 503135250 / 501550956 / 50 01 866 647 |
🚛 Fits Applications (Engine & Vehicle)
(Verified application list)
| Make | Model / Application | Engine Size | Year | Engine Code & Specs |
| Renault Trucks | Premium (Distribution, Lander, Route) | 11.1 d | 2001-2006 | 11C, 11E, dCi (Euro 3, 362-412 BHP) |
| Renault Trucks | Kerax Heavy Duty | 11.1 d | 2001-2006 | 11C, 11E, 370, 420 (Euro 3, 362-412 BHP) |
| Iveco | Various Commercial Applications | – | Various | Heavy Duty Commercial |
👨🔧 Tech Notes & Installation Guide
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💰 Why Replace the Full Set?
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The Risk: Leaving a single worn or clogged injector in a high-mileage 6-cylinder 11.1L dCi engine block causes massive fuel pressure imbalances. This inevitably leads to severe drivetrain shuddering, hazardous fuel dilution in the oil, and a highly critical loss of highway hauling power when transporting heavy cargo.
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The Fix: We strongly advise taking full advantage of our Volume Discounts to install a completely synchronized set of 6 units. This guarantees perfectly balanced cylinder firing, returning your heavy-duty truck to a steady, reliable idle and recovering its maximum factory payload rating.
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✅ Direct Replacement (No Coding Required):
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Rigorously flow-tested on advanced DCI calibration benches, this unit delivers true plug-and-play functionality. It requires zero IMA programming, completely bypassing expensive electronic diagnostic tools and slashing your mechanic’s workshop labor time.
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⚠️ Critical Cleaning Step:
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Commercial heavy-duty diesel fuel rails are incredibly sensitive to microscopic metallic debris and sludge. You absolutely must thoroughly flush the entire high-pressure fuel system before installation. Always equip a brand-new 5-micron fuel filter to protect the precision internal nozzle from instant destruction.
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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.
