Ampro NOx Sensor A1156754C Cummins 24V | 5WK9 6754C | Truck | Original Quality
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Beschreibung
xHigh-performance Ampro NOx sensor (A1156754C) for Cummins commercial vehicles.
Measures nitrogen oxides in the exhaust line and supports precise control of the SCR catalyst (AdBlue) to meet Euro VI limits.
Designed for 24 V onboard systems, it delivers accurate signals to the ECU and stabilizes exhaust aftertreatment.
OE quality with a vibration-resistant housing, heat-resistant electronics, and corrosion-protected connectors – ideal for tough fleet use.
Precisely matched to the listed references, a reliable aftermarket replacement with long-lasting calibration.
Installation: remove the old unit, disconnect the plug, screw in and lock the new sensor; then clear fault codes and perform a short adaptation drive.
Delivery includes pre-assembled wiring harness.
Compatible OE/reference numbers: 5WK9 6754C.
24V-compatible (Euro VI)
• SCR/AdBlue-optimized, precise NOx measurement
• OE quality for Cummins – Reference: 5WK9 6754C
• Vibration- and heat-resistant design
• Plug-and-Play: vehicle-specific connector
• Stable ECU feedback, fewer error messages
• Fast delivery, warranty included
NOx Sensor: What is it?
xNOx Sensor – Essential for Modern Emission Control
The NOx sensor is a core component of the exhaust aftertreatment system. It consists of a probe and a control unit, is integrated as a single assembly into the exhaust line, and detects nitrogen oxides (NOx) in the exhaust flow. Its use ensures compliance with strict regulations such as Euro 5 and Euro 6.
Applications
- Modern diesel vehicles with aftertreatment (e.g., SCR, LNT)
- On-board monitoring and control of emissions
Operating Principle
- Operates at high exhaust temperatures
- Two-chamber concept: NOx is catalytically split, 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 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 aftertreatment (e.g., AdBlue dosing)
- Lower emissions and improved efficiency
- High measurement accuracy ⇒ reduced recalibration needs
- OE-spec replacement parts available
Interfaces & Communication
- CAN bus data transfer to the ECU
- OBD-capable status and fault messages
Installation Notes
- Install directly in the exhaust line per manufacturer guidelines
- Ensure proper thermal positioning (heat shielding)
- Connect to ECU/CAN network; check sealing and cable routing
In the Box
- NOx probe with integrated control unit
- Mounting hardware (vehicle-dependent)
- Installation and safety instructions
Note: Due to the sensor’s complexity and accuracy requirements, we recommend OE-quality replacement parts.
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