Product Specifications:
Engineered to supply relentless and stable common rail pressure for demanding long-haul logistics and heavy commercial freight, the 0445020277 is a premium aftermarket High Pressure Fuel Pump (CP3). Precision-manufactured for the highly dependable MAN TGS and TGX commercial trucks equipped with the 10.5L D2066 LF series Euro 5 diesel engines, this core fuel system component aggressively cures hard starting, severe rail pressure drops, and dangerous power loss under peak cargo payloads. By leveraging advanced internal gear metallurgy and precise fuel metering control, it ensures a true plug-and-play installation. Commercial fleet managers and independent truck mechanics can entirely bypass costly dealership ECU software diagnostics, instantly restoring optimal fuel delivery pressure and maximized hauling torque to keep crucial delivery schedules strictly on track.
📊 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 / 0445020170 / 0445020202 / 0986437383 (Reman) | 51111037799 / 51111037810 / 51111037828 / 51111037845 / 51111039845 / 51111039858 / 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 L | 2009-Up | D2066 LF (OBD2, Euro 5 / 320-440 BHP) |
| MAN | TGX (Commercial Truck) | 10.5 L | 2007-Up | D2066 LF (OBD2, Euro 5 / 360-440 BHP) |
👨🔧 Tech Notes & Installation Guide (FAQ)
Q: Why should I replace the full set of 6 injectors when replacing the 0445020277 fuel pump on my D2066 LF engine?
A: Operating commercial trucks with a catastrophic high-pressure pump failure often circulates microscopic metal shavings throughout the entire common rail system. This debris directly causes violent engine stalling and destroys the fuel injectors, leading to a critical loss of highway transport power. We highly recommend utilizing our Volume Discounts to install a fully synchronized set of 6 injector units alongside this pump to ensure perfectly matched cylinder firing and safely restore maximum factory torque.
Q: Does the 0445020277 fuel pump require IMA coding?
A: No. This CP3 high-pressure fuel pump is built to precise mechanical tolerances to perfectly match official OEM nominal flow and pressure data. Because its fuel delivery volume is mechanically regulated by the integrated metering unit, your vehicle’s ECU will utilize its built-in self-adaptive learning (fuel trim) to automatically synchronize the rail pressure. You get a true plug-and-play installation without needing manual dealer trim code entry.
Q: What is the critical cleaning step before installation?
A: Commercial transport and high-mileage highway environments expose fuel systems to extreme contaminants. You must thoroughly flush the entire high-pressure fuel rail system, lines, and tank, and install brand-new OEM-spec 5-micron fuel filters before cranking the engine to prevent immediate internal gear scoring and firmly protect your warranty.
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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.
