Mercedes AdBlue Pump A0001408178 (Reman)

Description

Mercedes AdBlue Pump A0001408178 (Reman) – Selective Catalytic Reduction Delivery Module, urea injection

Brand: Mercedes

Type: EcoFit UL2, with 2 connectors

OE number: 0001402078, 0001403378, 0001403978, 0001404678, 0001405078, 0001405378, 0001405478, 0001405778, 0001405978, 0001407178, 0001407878, 0001408178, 000140337880, 000140397880, 000140467880, 000140507880, 000140537880, 000140547880, 000140577880, 000140597880, 000140717880, 000140787880, 000140817880, A0001403378, A000140337880, A0001403978, A000140397880, A0001404678, A000140467880, A0001405078, A000140507880, A0001405378, A000140537880, A0001405478, A000140547880, A0001405778, A000140577880, A0001405978, A000140597880, A0001407178, A000140717880, A0001407878, A000140787880, A0001408178, A000140817880

Manufacturer part number: 0001402278, 000140207880, 000140227880, A0001402078, A000140207880, A0001402278, A000140227880

Manufacturer: Hilite

Euro Norm: Euro 6

There is a core deposit for this part.

The Mercedes AdBlue Pump A0001408178 is a vital genuine OEM component in the Selective Catalytic Reduction (SCR) system for Mercedes-Benz heavy-duty trucks. Known as the AdBlue dosing pump, urea delivery module, or DEF (Diesel Exhaust Fluid) injection pump, this part precisely meters and injects AdBlue into the exhaust stream to reduce harmful NOx emissions, ensuring compliance with strict Euro 6 emission standards while optimizing engine power and fuel economy.

Key Function of the A0001408178 AdBlue Pump

This advanced pump draws urea solution from the tank, pressurizes it, and supplies it to the injector nozzle. It incorporates heating elements to prevent freezing in low temperatures, integrated sensors for accurate dosing, and robust valves for reliable operation. A properly functioning A0001408178 supports cleaner exhaust treatment, minimizes environmental impact, and helps avoid penalties for non-compliant vehicles.

Primarily compatible with modern Mercedes-Benz Euro 6 models, including:

• Actros (MP4 and MP5 series)
• Antos
• Arocs
• Atego (select models)
• Axor (later Euro 6 variants)

The part number A0001408178 (also referenced as 0001408178 or superseded/cross-referenced with similar codes like A0001407878, A0001405778, A0001405478, A0001407178) is a common fit for trucks from around 2012 onward. For precise compatibility, always confirm with your vehicle’s VIN or consult a Mercedes dealer.

Common Indicators of AdBlue Pump Issues

Despite its durable design, the A0001408178 can fail due to urea crystallization, contamination, electrical problems, or general wear in high-mileage operations. Look out for:

• Warning messages like “AdBlue system malfunction,” “Start countdown,” or “Emissions warning”
• Engine derating or limp mode with limited power
• Diagnostic codes such as P20E8, P204F, P13E4, or dosing pressure faults
• Incorrect DEF delivery leading to system errors or shutdown

These faults are frequently reported in Actros MP4, Arocs, and Antos fleets, often resulting in unplanned downtime and higher operating costs if not addressed quickly.

Benefits of Replacing with a Quality A0001408178

Remanufactured A0001408178 pumps are a popular choice for fleet managers, delivering near-OEM reliability and longevity. Installation by a qualified technician is essential, as the unit interfaces with the truck’s electronics and typically requires system priming or diagnostic recalibration.

Why a Dependable Mercedes AdBlue Pump Matters

• Achieve and maintain Euro 6 compliance
• Eliminate power restrictions and warning alerts
• Protect the overall exhaust after-treatment system
• Ensure consistent performance during demanding hauls

A faulty AdBlue system can quickly escalate to vehicle immobilization, but choosing the right Mercedes AdBlue Pump A0001408178 gets your truck back to full operational strength.

For searches like Mercedes A0001408178 replacement, Actros MP4 AdBlue dosing pump, Arocs Euro 6 urea pump, Antos DEF delivery module, or Atego AdBlue supply unit, trusted suppliers offer fast solutions. Prioritize quality to keep your Mercedes-Benz fleet running efficiently, cleanly, and profitably.

Additional Information