Information About the Unit Pump (986445110):

• Application: This unit pump is designed for Mercedes Benz MBE4000 engines, commonly used in heavy-duty trucks and industrial applications.

• Function: The unit pump is part of the fuel injection system, delivering high-pressure fuel to the injectors.

• Compatibility: Ensure this part number matches your engine’s specifications before purchasing.

1. Key Characteristics of the Unit Pump (986445110)

a) High-Precision Fuel Delivery

• Designed to generate high injection pressures (typically 1,600–2,200 bar in unit pump systems).

• Ensures precise fuel metering for optimal combustion efficiency.

b) Robust Construction

• Made from high-strength materials to withstand extreme pressures and temperatures.

• Corrosion-resistant coatings for durability in harsh operating conditions.

c) Integrated Solenoid Control

• Uses an electro-hydraulic solenoid valve for accurate timing and fuel quantity control.

• Enables electronic diesel control (EDC) compatibility for better engine management.

d) Compact & Modular Design

• Each cylinder has its own unit pump, simplifying maintenance and replacement.

• Reduces complex high-pressure fuel lines (compared to common rail systems).

• 2. Advantages of the MBE4000 Unit Pump System

• ✔ Fuel Efficiency & Performance

• Precision injection timing improves combustion, reducing fuel waste.

• Supports multiple injection events (pilot, main, and post-injection) for smoother power delivery.

• ✔ Reliability & Longevity

• Fewer high-pressure lines compared to common rail = lower risk of leaks.

• Hardened internal components resist wear from abrasive diesel contaminants.

• ✔ Lower Maintenance Costs

• Individual pump replacement (if one fails, others remain operational).

• Simplified diagnostics with electronic fault code detection (via EDC).

• ✔ Emissions Compliance

• Works with EGR (Exhaust Gas Recirculation) and aftertreatment systems to meet EPA 2004/2007 and Euro IV/V standards.