Product Specifications:
Meticulously rebuilt to conquer the punishing long-haul mileage of international freight and demanding regional transport, the 0445020277 is a high-performance Remanufactured Common Rail High-Pressure Fuel Pump. Expertly restored and calibrated for the formidable MAN TGS and TGX (10.5L D2066 LF, Euro 5) commercial trucks, this heavy-duty core seamlessly reinstates original factory fuel delivery and rail pressure stability.
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Restores Heavy Hauling Torque: Cures severe fuel starvation under load, safely bringing back the massive low-end pulling power required to haul fully loaded trailers uphill.
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Eliminates Sudden Engine Stalling: Instantly fixes erratic pressure drops and limp mode triggers, protecting your commercial fleet from unexpected highway breakdowns and delivery delays.
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True Plug & Play Installation: Precisely calibrated as a direct mechanical drop-in, it requires absolutely zero complex ECU coding, getting your commercial vehicles out of the shop rapidly.
📊 Part Number Cross Reference
(Data verified via global catalog search – Extensive Interchangeability)
| Manufacturer Ref (Bosch Style) | Original Equipment (MAN) |
| 0445020277 | 51111037858 / 51 11103 7858 |
| 0445020090 / 0445020124 | 51111037799 / 51111037810 / 51111037828 |
| 0445020170 / 0445020202 | 51111037845 / 51111039845 / 51111039858 |
| 0986437383 (Reman) | 51 11103 7799 / 51 11103 9858 |
🚛 Fits Applications (Engine & Vehicle)
(Verified application list)
| Make | Model / Application | Engine Size | Year | Engine Code & Specs |
| MAN | TGS (Commercial Truck) | 10.5 d | 2009-Up | D2066 LF (OBD2, Euro 5 / 320-440 BHP) |
| MAN | TGX (Commercial Truck) | 10.5 d | 2007-Up | D2066 LF (OBD2, Euro 5 / 360-440 BHP) |
👨🔧 Tech Notes & Installation Guide
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💰 Why Upgrade the High-Pressure Fuel Pump?
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The Risk: Leaving an internally worn or failing fuel pump in a hard-working 10.5L D2066 block leads to severe rail pressure starvation. This directly causes violent engine shuddering under heavy payloads, accelerated wear on all injectors, and a critical loss of highway pulling speed.
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The Fix: We strongly advise replacing your failing unit with this precision-remanufactured pump to immediately restore your truck’s maximum factory payload rating and ensure stable, long-haul reliability without unexpected power loss.
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✅ Do I need to program this fuel pump after installation?
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No. Direct Replacement: Rigorously flow-tested on advanced calibration benches, this rebuilt unit delivers true plug-and-play functionality. It requires zero electronic programming, bypassing expensive diagnostic tools and slashing your fleet mechanic’s labor time.
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⚠️ What are the critical pre-installation cleaning steps?
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Mandatory System Flush: Commercial transport tanks inevitably accumulate heavy sludge and metallic micro-debris from old failing pumps. Failure to thoroughly flush the entire high-pressure fuel rail and install a brand-new OE-quality 5-micron fuel filter will cause instant contamination damage and strictly void the 30-day manufacturing defect policy.
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🔍 Explore More Heavy Duty Parts:
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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.
