

Nitrogen-Oxygen Sensor
Датчик азота и кислорода
Sensor de nitrógeno oxígeno
The 1005896739 OEM Nitrogen-Oxygen Sensor is a highly sophisticated electronic sensing device manufactured exclusively for the Shacman X5000 heavy-duty truck platform. This critical component is installed in the exhaust aftertreatment system where it continuously measures the concentration of nitrogen oxides and oxygen in the exhaust gas stream, providing the essential real-time feedback data that allows the engine ECU to precisely control the Selective Catalytic Reduction system dosing and monitor catalyst conversion efficiency under all engine operating conditions.
Constructed with a durable stainless steel probe body housing a precision ceramic sensing element, an integrated electronic control module with advanced signal processing, and a sealed wiring harness connector, the nitrogen-oxygen sensor delivers exceptional measurement accuracy, fast response time, and long-term stability in the extreme thermal and chemical environment of the exhaust system. The 1005896739 part features a CAN bus communication interface that transmits digital NOx and O2 concentration data directly to the vehicle’s engine management system.
Installing a genuine OEM nitrogen-oxygen sensor preserves the designed emissions monitoring accuracy and SCR control precision that are essential for regulatory compliance. The 1005896739 identifier provides complete traceability to Shacman’s rigorous material specifications and precision manufacturing quality assurance standards for this environmentally critical sensing component.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 1005896739 | Unique Shacman X5000 identifier |
| Product Name | Nitrogen-Oxygen Sensor | NOx and O2 concentration sensing probe |
| Brand / Vehicle Model | Shacman X5000 | Heavy-duty truck series |
| Sensing Element | Precision ceramic electrochemical cell | High accuracy NOx and O2 measurement |
| Probe Material | Stainless steel | Durable in high-temperature exhaust gases |
| Communication Protocol | CAN bus digital signal output | Direct interface with engine ECU |
| Temperature Range | Up to 800°C exhaust gas temperature | Designed for extreme exhaust environment |
| Electrical Connection | Sealed multi-pin connector | Reliable signal in harsh under-chassis environment |
| Application | Exhaust aftertreatment system | Monitors NOx and O2 for SCR control and OBD |
| Packaging | Protective sealed packaging with desiccant | Shacman genuine labeled packaging |
The sensor uses an advanced ceramic electrochemical sensing element to measure nitrogen oxide concentrations in the exhaust stream with exceptional accuracy, providing the essential feedback for precise SCR dosing control and emissions compliance.
The 1005896739 sensor data allows the ECU to continuously adjust the DEF injection quantity, creating a closed-loop control system that maximizes NOx conversion while preventing ammonia slip and minimizing DEF consumption.
The sensor provides the data needed for the engine’s OBD system to monitor SCR catalyst efficiency, detect malfunctions, and alert the driver to emissions system faults before they cause regulatory non-compliance or engine derate.
The nitrogen-oxygen sensor 1005896739 is installed into a threaded mounting boss located on the exhaust aftertreatment system of the Shacman X5000 vehicle, typically positioned upstream and downstream of the SCR catalyst. Before installation, the mounting boss threads must be clean and free of any debris, corrosion, or old anti-seize compound. A small amount of high-temperature anti-seize compound may be applied to the sensor threads to facilitate future removal. The sensor is threaded into the boss by hand to avoid cross-threading, then tightened to the specified torque using a calibrated torque wrench and the correct socket. The electrical connector is engaged with the mating harness connector and locked to ensure a secure, weatherproof connection. The sensor cable should be routed with adequate clearance from hot exhaust surfaces and moving components, and secured with any provided clips or brackets. After installation, the sensor must be calibrated or initialized using a diagnostic scan tool according to the service manual procedure before the vehicle is returned to service.
Each nitrogen-oxygen sensor produced under OEM number 1005896739 is manufactured in a clean-room environment using precision assembly processes. The ceramic sensing element is fabricated from multiple layers of zirconia and alumina ceramics with precisely screen-printed electrodes and a controlled-porosity diffusion barrier that regulates gas flow to the sensing chambers. The sensing element is assembled into a stainless steel probe body with a protective shroud that shields the element from direct particle impact while allowing exhaust gas to reach the sensing surface.
The electronic control module contains a microprocessor that controls the sensing element operating parameters, processes the raw sensor signals, and communicates the NOx and O2 concentration data via the CAN bus interface. Each completed sensor undergoes a comprehensive calibration process where it is exposed to precisely controlled gas mixtures of known NOx and O2 concentrations, and its output is calibrated to ensure accuracy across the entire measurement range. The sensor is then leak-tested, functionally verified, and packaged in a protective sealed container with desiccant to prevent moisture damage, and labeled with the 1005896739 part number for complete traceability.
The nitrogen-oxygen sensor should be inspected if the vehicle displays diagnostic trouble codes related to NOx sensor performance, rationality, or communication errors. A diagnostic scan tool can be used to monitor the sensor’s NOx and O2 readings and compare them with expected values. A sensor that consistently reads implausible values, fails to respond to changing engine conditions, or exhibits slow response times is likely faulty. The sensor wiring and connector should also be inspected for any signs of damage, corrosion, or moisture ingress that could affect the signal.
If a nitrogen-oxygen sensor is diagnosed as faulty, it must be replaced with a new 1005896739 component. The SCR system depends on accurate NOx data for proper DEF dosing, and operating with a faulty sensor can lead to incorrect dosing, poor NOx conversion, ammonia slip, and potential catalyst damage. When replacing the sensor, the mounting boss threads should be cleaned and inspected, and the new sensor should be installed with the correct torque. After installation, the sensor must be calibrated using a diagnostic scan tool, and the SCR system performance should be verified before the vehicle is returned to service.
Procuring the authentic nitrogen-oxygen sensor for your Shacman X5000 emissions system is a critical decision that impacts regulatory compliance and vehicle uptime. Use the inquiry button above to verify current stock availability and request a competitive quotation. We maintain strategic inventory of these precision sensing components to support both individual vehicle repairs and comprehensive fleet emissions system maintenance programs across all international regions.
To ensure you receive the exact factory-specified sensor with correct calibration, communication protocol, and probe configuration for your application, always reference the OEM part number 1005896739 in your purchase order. Our logistics team provides complete export documentation and calibration certification with every international shipment for emissions compliance verification.
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Investing in the genuine Nitrogen-Oxygen Sensor 1005896739 is a decision that directly impacts the emissions compliance and operational reliability of your Shacman X5000 vehicle. Aftermarket sensors with inferior sensing elements, incorrect calibration, or unreliable communication can provide inaccurate NOx data to the ECU. Inaccurate data causes incorrect DEF dosing, which leads to either poor NOx conversion and emissions non-compliance, or excessive DEF consumption and ammonia slip that can foul the SCR catalyst and require expensive cleaning or replacement.
The OEM sensor’s specific sensing element design, microprocessor calibration, and CAN bus communication protocol were validated through extensive engine dynamometer and vehicle chassis testing. Shacman engineers specified this exact sensor design to provide the precise NOx and O2 measurement data that the X5000’s SCR control system requires for optimal performance. The 1005896739 sensor delivers the accurate emissions monitoring that keeps the vehicle compliant with environmental regulations while minimizing DEF consumption and maximizing fuel efficiency.
Professional fleet technicians and maintenance managers worldwide insist on the 1005896739 nitrogen-oxygen sensor because they understand that this component is the eyes of the SCR system. Every decision the ECU makes about DEF dosing is based on the data this sensor provides. Trust only the nitrogen-oxygen sensor that Shacman engineered and certified for the demanding X5000 heavy truck platform.
The nitrogen-oxygen sensor 1005896739 represents the state of the art in automotive exhaust gas sensing technology. Unlike earlier oxygen sensors that simply indicate rich or lean combustion conditions, this sensor quantitatively measures the actual NOx concentration in parts per million. This precise measurement capability is what enables modern diesel engines to meet the most stringent global emissions standards while maintaining excellent fuel economy. The sensor’s integrated microprocessor compensates for changes in exhaust gas temperature and pressure, ensuring measurement accuracy across the full range of engine operating conditions.
The sensor is typically installed in pairs, with one sensor positioned upstream of the SCR catalyst to measure engine-out NOx levels, and a second sensor positioned downstream of the SCR catalyst to measure tailpipe NOx levels. By comparing the readings from these two sensors, the ECU can calculate the real-time NOx conversion efficiency of the SCR catalyst. This efficiency monitoring is a key requirement of on-board diagnostic regulations, and it allows the ECU to detect gradual catalyst deterioration before it results in an emissions exceedance.
For our international customers, we take exceptional care in packaging the 1005896739 nitrogen-oxygen sensors to prevent any damage to the sensing element, electronic module, or electrical connector during global transit and extended storage. Each sensor is individually sealed in a protective container with desiccant to prevent moisture damage, and packed in a custom foam-lined, reinforced carton. Partner with our global supply network for a reliable source of genuine Shacman emissions control components, and maintain your fleet’s SCR systems at peak efficiency for full regulatory compliance and uninterrupted vehicle operation.