Temperature Sensor
Датчик температуры
Sensor de temperatura
The 612640130648 OEM Temperature Sensor is a precision thermal sensing component manufactured exclusively for the Shacman X5000 heavy-duty truck platform. This critical sensor is installed at key locations within the exhaust aftertreatment system, providing the engine ECU with real-time, high-accuracy exhaust gas temperature data that is essential for controlling the SCR dosing strategy, managing diesel particulate filter regeneration events, and protecting the catalyst and downstream components from thermal damage under all engine operating conditions.
Constructed with a high-temperature platinum resistance element or thermocouple sensing junction housed within a durable stainless steel probe sheath, the temperature sensor delivers exceptional measurement accuracy, fast thermal response time, and long-term stability in the extreme exhaust gas environment. The 612640130648 part features a precision-machined mounting thread, a sealed electrical connector, and a robust cable assembly that withstands the continuous vibration, thermal cycling, and corrosive exhaust condensate conditions experienced in heavy-duty diesel exhaust applications.
Installing a genuine OEM temperature sensor preserves the designed monitoring accuracy and response characteristics that the engine management system relies on. The 612640130648 identifier provides complete traceability to Shacman’s rigorous material specifications and precision manufacturing quality assurance standards for this mission-critical engine management sensor.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 612640130648 | Unique Shacman X5000 identifier |
| Product Name | Temperature Sensor | Exhaust gas temperature thermistor or thermocouple |
| Brand / Vehicle Model | Shacman X5000 | Heavy-duty truck series |
| Sensor Type | Platinum RTD or thermocouple | High accuracy and fast thermal response |
| Probe Material | Stainless steel sheath | Durable in high-temperature exhaust gases |
| Temperature Range | Up to 900°C continuous | Designed for extreme exhaust temperatures |
| Mounting Type | Threaded with machined probe | Secure installation in exhaust boss |
| Electrical Connection | Sealed connector with robust cable | Reliable signal in harsh environment |
| Application | Exhaust aftertreatment system | Monitors exhaust temperature for ECU control |
| Packaging | Protective sealed packaging | Shacman genuine labeled packaging |
The sensor provides the ECU with precise, real-time exhaust gas temperature data at critical points in the aftertreatment system, enabling optimized control of SCR dosing and DPF regeneration events under all engine operating conditions.
The 612640130648 sensor enables the ECU to detect dangerously high exhaust temperatures and take protective action, preventing damage to the SCR catalyst, DPF substrate, and downstream exhaust components from thermal overload.
The low thermal mass probe design ensures the sensor responds rapidly to changes in exhaust gas temperature, allowing the ECU to adjust dosing and regeneration strategies in real time for maximum aftertreatment efficiency.
The temperature sensor 612640130648 is installed into a threaded mounting boss located at a specific position on the exhaust pipe or aftertreatment component of the Shacman X5000 vehicle. 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. 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 secured with any provided clips or brackets to prevent chafing or melting. After installation, the sensor reading should be verified using a diagnostic scan tool to confirm it is providing a plausible temperature value before the vehicle is returned to service.
Each temperature sensor produced under OEM number 612640130648 is manufactured using precision assembly and calibration processes. The sensing element, either a platinum resistance element or a thermocouple junction, is manufactured to exacting standards to achieve the specified resistance-temperature or voltage-temperature characteristics. The sensing element is encased within a durable stainless steel probe sheath that is swaged or welded to provide a gas-tight seal while maximizing thermal transfer to the sensing junction. The probe is filled with an electrically insulating but thermally conductive material that supports the sensing element and provides vibration resistance.
The sensor cable is constructed with high-temperature rated wire and insulation, and the sealed connector is molded or assembled to provide reliable electrical contact and environmental sealing. Each completed sensor undergoes a comprehensive calibration process where it is placed in a precisely controlled temperature bath or furnace and its output is measured at multiple temperature points. The calibration data is verified to be within the specified accuracy tolerance across the entire operating temperature range. The sensor is then visually inspected, packaged in a protective sealed container, and labeled with the 612640130648 part number for complete traceability.
Temperature sensors should be inspected if the vehicle displays diagnostic trouble codes related to temperature sensor rationality, signal out of range, or circuit faults. A diagnostic scan tool can be used to compare the sensor reading with the expected value at a known engine condition. A sensor that reads an implausible value, such as a temperature that does not change or that reads extremely high or low relative to other sensors, is likely faulty. The sensor wiring and connector should also be inspected for any signs of damage, corrosion, or loose connections that could cause an intermittent signal.
If a temperature sensor is diagnosed as faulty, it must be replaced with a new 612640130648 component. The exhaust aftertreatment system depends on accurate temperature data to control critical functions such as DEF dosing and DPF regeneration. Operating the vehicle with a faulty temperature sensor can result in incorrect dosing, failed regenerations, and potential damage to the SCR catalyst or DPF from thermal overload. When replacing a sensor, the mounting boss threads should be cleaned and inspected, and a new sensor should be installed with the correct torque to ensure a gas-tight seal and proper thermal contact with the exhaust stream.
Procuring the authentic temperature sensor for your Shacman X5000 exhaust aftertreatment system is a simple process that ensures accurate temperature monitoring and system control. Use the inquiry button above to verify current stock availability and request a prompt quotation. We maintain comprehensive inventory of these essential engine management sensors to support both individual vehicle repairs and complete fleet maintenance programs across all international markets.
To ensure you receive the exact factory-specified temperature sensor with correct calibration, thread size, and electrical connector for your application, always reference the OEM part number 612640130648 in your purchase order. Our logistics team provides complete export documentation with every international shipment for efficient customs clearance and inventory verification at your facility.
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Immediate dispatch for Shacman X5000 exhaust sensor service worldwide.
Choosing the genuine Temperature Sensor 612640130648 is a decision that directly impacts the control accuracy and operational safety of your Shacman X5000 exhaust aftertreatment system. Aftermarket sensors with incorrect calibration curves, slower response times, or inferior materials can provide inaccurate temperature data to the ECU. An incorrect temperature reading can cause the ECU to command DEF dosing when the catalyst is too cold for efficient conversion, resulting in urea deposit formation and ammonia slip. Conversely, a falsely low reading can allow the DPF to overheat during regeneration, potentially causing irreversible substrate damage.
The OEM temperature sensor’s specific sensing element, probe design, calibration accuracy, and thermal response characteristics were validated through extensive engine and vehicle testing. Shacman engineers specified this exact sensor design to provide the precise, reliable temperature data that the X5000’s engine management system requires for safe and efficient aftertreatment control. The 612640130648 sensor delivers the accurate thermal monitoring that protects the catalyst and ensures the vehicle meets its emissions standards across its entire service life.
Professional fleet technicians and maintenance managers worldwide standardize on the 612640130648 temperature sensor for its guaranteed calibration accuracy, precise fit, and proven reliability in the demanding exhaust environment. This precision sensing component provides the critical temperature feedback that enables the intelligent control of the entire aftertreatment system. Trust only the temperature sensor that Shacman engineered and certified for the demanding X5000 heavy truck platform.
The temperature sensor 612640130648 is a vital part of the vehicle’s closed-loop emissions control strategy. The ECU uses exhaust temperature data to determine when the SCR catalyst has reached its light-off temperature and is ready for DEF dosing to begin. It also monitors the temperature rise across the diesel oxidation catalyst and DPF to control the timing and duration of active regeneration events. Without accurate temperature feedback, the ECU would be unable to manage these critical processes, leading to increased emissions and potential damage to the aftertreatment system components.
The sensor’s location in the exhaust system is precisely chosen to measure the temperature at a point that is representative of the catalyst inlet or outlet condition. The probe length is specified to position the sensing tip in the center of the exhaust gas flow stream, where the temperature is most uniform and the response to temperature changes is fastest. Installing a sensor with an incorrect probe length can result in a measurement that is biased by the cooler pipe wall temperature, leading to inaccurate readings and incorrect ECU control decisions.
For our international customers, we take exceptional care in packaging the 612640130648 temperature sensors to prevent any damage to the probe tip, threads, or electrical connector during global transit and extended storage. Each sensor is individually sealed in a protective package that maintains its calibration integrity. Partner with our global supply network for a reliable source of genuine Shacman engine management components, and ensure your fleet’s aftertreatment systems have the accurate sensor data they need for efficient, reliable, and compliant operation across every route and every load.
