Your Professional Water Temperature Sensor (For Roewe and BYD) Supplier!
Wenzhou Yili Automotive parts Technology Co., Ltd. is a modern company specializing in R&D and production of oxygen sensors, temperature control switches, ABS wheel speed sensors, camshaft position sensors, crankshaft position sensors, water temperature sensors, oil pans, and intake manifolds. And has a complete and scientific quality management system, advanced testing platform and strong R&D team.
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Water Temperature Sensor For Roewe/MG /12641073
Service:OEM ODM OBM Customised Laser Marking. Material:Plastic and Metal. Quality:100% Tested Add to Inquiry -
Coolant Water Temperature Sensor For BYD/ PW550541
Type:Water Temperature Sensor/Coonlant Temperature Sensor. OE number:PW550541. Applicable model:BYD. Add to Inquiry -
Coolant Water Temperature Sensor For BYD/ 280130126
Material:Plastic and Metal. Quality:100% Tested. Certification:CE ISO9001 TF16949. Add to Inquiry
Why Choose Us
Professional team
We have a professional R&D team composed of experienced engineers and scientific researchers. The team can continuously invest resources to carry out the research and development of new technologies and new materials, and continuously launch products with better performance and better market demand.
Advanced equipment
We are equipped with a full set of automated production equipment, a complete sensor R&D platform and dedicated test bench testing equipment to provide solid technical support for product development and quality assurance.
Quality control
From raw material procurement to product production, assembly, testing, packaging and other links, we have established detailed quality standards and inspection processes. Through strict quality control, we ensure that every product shipped meets high quality requirements.
OEM&ODM service
We have a complete and scientific quality management system, advanced testing platform and strong R&D capabilities, and can provide customers with high-quality OEM and ODM service solutions.
Water Temperature Sensor (For Roewe and BYD) Specification
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Brand |
YILI |
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Warranty service |
12 Months |
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Type |
Water Temperature Sensor/Coonlant Temperature Sensor |
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OE number |
39230-26700 |
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Applicable model |
Hyundai |
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Service |
OEM ODM OBM Customised Laser Marking |
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Material |
Plastic and Metal |
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Quality |
100% Tested |
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Certification |
CE ISO9001 TF16949 |
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Package |
Nuetral Package or Personalized Customization Package |
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Delivery time |
1-3 Weekdays or According To Quantity |
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Payment |
T/T. 30% Deposit |

● Ensures accurate water temperature readings for optimal engine performance
● Durable, corrosion-resistant materials for long-lasting use
● Compatible with various water temperature sensors and ECUs
● Easy installation with a secure, precise fit
● Ideal for performance vehicles, racing applications, and street cars
Functions of Water Temperature Sensor (For Roewe and BYD)
Thermistor: The core component of the water temperature sensor is a thermistor, which is a type of resistor whose electrical resistance varies with temperature. In the case of the water temperature sensor, the thermistor is usually made of ceramic material.
Temperature Sensing: The water temperature sensor is in direct contact with the engine coolant. As the coolant temperature changes due to engine operation, the temperature of the thermistor changes accordingly.
Resistance Variation: The electrical resistance of the thermistor changes inversely with the temperature of the coolant. This means that as the coolant temperature increases, the resistance of the thermistor decreases.
Voltage Output: The water temperature sensorr is connected to the engine control unit (ECU) or engine management system. The ECU sends a small voltage across the water temperature sensor. As the resistance of the thermistor changes with temperature, the voltage drop across the sensor also changes.
Voltage Measurement: The ECU measures the voltage drop across the water temperature sensor. This voltage is directly proportional to the resistance of the thermistor, which in turn corresponds to the coolant temperature.
Temperature Data Interpretation: The ECU uses the voltage reading from the water temperature sensor to determine the coolant temperature. Based on this temperature data, the ECU adjusts various engine parameters such as fuel injection timing, air-fuel mixture, ignition timing, and transmission shifting strategy to optimize engine performance, fuel efficiency, and emissions.
Our Services
Pre-Sale Service
Provide detailed introductions of our products, assist customers in selecting appropriate options, and recommend products that best meet their needs.
In-Sale Service
Deliver high-quality products with efficient shipping processes while keeping customers informed throughout all stages of production.
After-Sale Service
Ensure prompt responses to any inquiries or issues that may arise.
Lead Time
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Quantity (pieces) |
1 - 100 |
101 - 500 |
501 - 1000 |
> 1000 To be negotiat ed |
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Lead time (days) |
7 |
15 |
30 |
Packaging and Shipping
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Packaging |
Neutral packaging, if you want to design packaging, please feel free to contact us. |
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Transportation methods |
Road transport, rail transport, sea transport, air transport |
Advantage








Our Certificate
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We're professional domestic car manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade domestic car made in China here from our factory.
BMW Oil Cooler Filter 525 530 528, Intake manifold assembly 28310 2B550, Oxygen Sensor 55562206



