Your Professional NOx Sensor (For Vovol) 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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NOx Sensor For Vovol /5WK9 7372/22827995
Probe type:Big Head. Insulating sleeve:Black. Applicable voltage:12V. Add to Inquiry -
NOx Sensor For Vovol /5WK9 7365/22303384
Connector Type:Flat 5-Pin. Probe type:Small Head. Insulating sleeve:Black. Add to Inquiry -
NOx Sensor For Vovol /5WK9 6643E/22014032
Connector Type:Flat 4-Pin Black. Probe type:Small Head. Insulating sleeve:Black. 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.
NOx Sensor (For Vovol) Specification
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Applicable Model |
5WK9 6643E 22014032 |
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Connector Type |
Flat 4-Pin Black |
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Probe type |
Small Head |
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Insulating sleeve |
Black |
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Applicable voltage |
24V |
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Mounting hole type |
Round ears |
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Back cover type |
Metal |
● Functionally and quality tested in accordance with the same standards as for original equipment parts: For a secure monitoring over a long service life.
● Reliable signal output: In order to fulfill current emission standards
● Specially developed sensor elements: For precise measurement and fast responsiveness.
● High quality materials and a robust design: For excellent resistance in the demanding area around the exhaust tract.
● Easy installation: Saving time and increasing workshop efficiency.

Types Of NOx Sensor (For Vovol)

Electrochemical Sensors: These sensors use electrodes and an electrolyte to measure the concentration of NOx gases. Changes in electrical conductivity caused by NOx interactions with the sensor's surface provide a signal that can be interpreted as NOx concentration.
Metal Oxide Sensors: Metal oxide NOx sensors use a semiconductor material that changes its electrical resistance when exposed to NOx gases. The resistance change is used to determine the NOx concentration.
Optical Sensors: Optical NOx sensors employ light absorption or emission properties of NOx gases to measure their concentration. Changes in the optical properties of the sensing material in response to NOx are detected and quantified.
The Basic Principle Of NOx Sensor (For Vovol)
The NOx sensor works on a similar principle to the wideband lambda sensor and, like this, needs a heat source to raise the sensor to the operating temperature (around 700 degrees). The NOx sensor consists of two chambers arranged one in front of the other. In the first chamber, the amount of residual oxygen in the exhaust gas is determined. This occurs when a voltage is applied, which ‘pumps’ the oxygen out of the cell. Depending on the vehicle type and the position of the sensor, the NOx sensor may also take on the function of a lambda sensor and replace it.
In the second chamber, the NOx is broken down into its constituent parts of nitrogen and oxygen. The amount of oxygen generated is measured by another pump electrode. The ‘pump current’ applied is proportionate to the NOx concentration in the exhaust gas. It is evaluated by the control unit at the NOx sensor and relayed by CAN bus to the engine control unit.
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.
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 nox sensor(forvovol) manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade nox sensor(forvovol) made in China here from our factory.
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