NOx sensor A1038611 Mercedes-Benz 12V | A 000 905 86 11 | Passenger car | Original quality

Regular price €20995 EUR

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NOx Sensor – Essential for Modern Emission Control

The NOx sensor is a central component of exhaust aftertreatment. It consists of
a probe and a control unit, is integrated into the exhaust system as a complete unit,
and detects nitrogen oxides (NOx) in the exhaust flow. Its use ensures compliance
with strict emission standards such as Euro 5 and Euro 6.

Areas of Application

  • Modern diesel vehicles with exhaust aftertreatment (e.g., SCR, LNT)
  • On-board monitoring and regulation of emissions

Operating Principle

  • Operation at high exhaust temperatures
  • Dual-chamber principle: NOx is catalytically split, and the resulting oxygen is measured
  • Signal transmission via CAN bus to the Engine Control Unit (ECU)

Technical Highlights

  • High-precision NOx detection under real driving conditions
  • Fast response time during dynamic load changes
  • Robust design for continuous operation at high temperatures
  • Integrated control unit for signal conditioning and diagnostics

Benefits

  • Reliable compliance with Euro 5/Euro 6 limits
  • Optimized exhaust aftertreatment (e.g., AdBlue dosing)
  • Reduced emissions and improved efficiency
  • High measurement accuracy ⇒ reduced need for recalibration
  • Quality replacement available in OE specification

Interfaces & Communication

  • CAN bus for data transmission to the ECU
  • OBD-capable status and error messages

Installation Instructions

  • Mount directly in the exhaust tract according to manufacturer specifications
  • Position thermally correct (observe heat protection)
  • Electrical connection to ECU/CAN network; check tightness and cable routing

Scope of Delivery

  • NOx probe with integrated control unit
  • Mounting hardware (model-dependent)
  • Installation and safety instructions


Note: Due to the high technical complexity and the required measurement accuracy,
the use of replacement parts in OE quality is recommended.

Description

This high-quality NOx sensor (A1038611) for Mercedes-Benz monitors the nitrogen oxide levels in the exhaust system and, together with the SCR catalytic converter (AdBlue), regulates emissions in accordance with the Euro 6 standard.

It operates reliably with a 12 V on-board voltage and provides precise measurement signals to the engine control unit (ECU), ensuring compliance with emission limits and preventing error messages (e.g., NOx efficiency). Manufactured in OE quality: robust sensor with integrated control unit, heat-resistant electronics, and corrosion-proof connectors ensure a long service life even at high exhaust temperatures. Installation is straightforward: remove the old sensor, disconnect the plug, insert the new sensor, and lock the connector; then clear the error codes and perform a short test drive. Technical information: vehicle-specific connector, pre-assembled wiring harness; cable length and pin configuration correspond to the OE specification of the listed references. Compatible with common Euro 6 diesel engines on the Mercedes-Benz platform. Fast delivery and warranty included.

Compatible OE numbers: A 000 905 86 11, A 000 905 29 09, A 000 905 02 08, A 000 905 98 03, A 000 905 27 19, 2293965.

Euro 6 compatible, SCR/AdBlue capable

• OE quality: precise fit & long-lasting

• For Mercedes-Benz – see references below

• Fast feedback to the ECU for stable emissions

• Heat-resistant housing & corrosion-proof connector

• Easy installation, no adjustments required

• Fast delivery, warranty included

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