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NOx sensor A1031512 Mercedes-Benz 12V | A 000 905 15 12 | Passenger car | Original quality

Regular price €21495 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 (A1031512) for Mercedes-Benz monitors nitrogen oxide levels in the exhaust system and, together with the SCR catalyst (AdBlue), regulates emissions in accordance with the Euro 6 standard.

It operates reliably with a 12 V on-board power supply and delivers 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 technology with an integrated control unit, heat-resistant electronics, and corrosion-proof connectors ensure long service life even at high exhaust temperatures.

Installation is simple: remove the old sensor, disconnect the plug, insert the new sensor, and lock the connector; then clear any error codes and perform a short test drive.

Technical notes: vehicle-specific connector and pre-assembled wiring harness; cable length and pin configuration correspond to the OE specifications of the listed references.

Compatible with common Euro 6 diesel engines on the Mercedes-Benz platform. Fast delivery and warranty included.

Matching OE numbers: A 000 905 15 12, A 000 905 36 06, A 000 905 51 06, A 006 153 73 28, A 009 153 36 28.

Euro 6 compatible, SCR/AdBlue ready

• OE quality: precise fit & long-lasting

• For Mercedes-Benz – see references below

• Fast feedback to ECU for stable emissions

• Heat-resistant housing & corrosion-proof connector

• Easy installation, no adjustments required

• Fast delivery, warranty included

Payment and security

Payment options

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  • Bancontact
  • EPS
  • Google Pay
  • iDEAL
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

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