Your Professional NOx Sensor (For MAN) 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 MAN 5WK9 6721B / 51.15408-0016
Connector Type:Square 6-pin black. Probe type:Small head. Insulating sleeve:Blue. Add to Inquiry -
NOx Sensor For MAN 5WK9 6783A/6783B/ 51154080011 / 511540...
Insulating sleeve:Blue. Applicable voltage:24V. Mounting hole type:Round ear. Add to Inquiry -
NOx Sensor For MAN 5WK9 6618D / 51154080015 / 51154080009
Probe type:Big head. Insulating sleeve:Black. Applicable voltage:12V. 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 MAN) Specification
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Applicable Model |
5WK9 6783A 5WK9 6783B 51154080011 51154080018 |
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Connector Type |
Square 6-pin black |
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Probe type |
Small head |
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Insulating sleeve |
Blue |
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Applicable voltage |
24V |
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Mounting hole type |
Round ear |
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Back cover type |
Metal |
● Each NOx sensor module is a direct-fit OE replacement that ensures ease of installation and emissions compliance.
● High-quality materials withstand extreme conditions
● Undergoes extensive testing to ensure reliability

The Role of NOx Sensor (For MAN)

NOx is a harmful gas produced during combustion in internal combustion engines that contributes to air pollution and smog formation. The NOx sensor works by detecting NOx levels in the exhaust stream and providing feedback to the engine control system, which then adjusts fuel injection and exhaust gas recirculation rates to reduce NOx emissions.
In MAN engines, NOx sensors are often placed downstream of diesel particulate filters and selective catalytic reduction (SCR) systems to further reduce NOx emissions. NOx sensors play a vital role in reducing harmful emissions from internal combustion engines and meeting environmental regulations.
The Basic Principle Of NOx Sensor (For MAN)
The NOx sensor uses a solid electrolyte yttria-doped zirconia (YSZ) ceramic material with high ionic conductivity, good chemical stability and structural stability at high temperatures, and uses special NOx gas-sensitive electrode material pairs The selective catalytic sensitivity of NOx gas, combined with a special sensor structure to obtain NOx electrical signals, and finally using special weak signal detection and precision electronic control technology to detect and convert NOx gas in automobile exhaust into standard CAN bus numbers The signal feeds back the NOx content in the exhaust gas of the car, thus completing the monitoring of NOx gas 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.
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(for man) manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade nox sensor(for man) made in China here from our factory.
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