Your Professional NOx Sensor (For KIA) 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 KIA SNS0816A / 29650-2U200
Connector Type:Square 4-pin gray. Probe type:Small head. Insulating sleeve:Black. Add to Inquiry -
NOx Sensor For KIA SNS0305A / 29655-84330
Insulating sleeve:Black. Applicable voltage:24V. Mounting hole type:Round ear. Add to Inquiry -
NOx Sensor For KIA SNS0399A / 29650-4A200
Connector Type:Flat 5-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 KIA) Specification
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Applicable Model |
SNS0399A 29650-4A200 |
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Connector Type |
Flat 5-pin black |
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Probe type |
Small head |
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Insulating sleeve |
Black |
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Applicable voltage |
12V |
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Mounting hole type |
Round ear |
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Back cover type |
Plastic |
● Super accuracy when response to the abnormality of NOx concentration.
● Long-term utilization without any problem is ensured, thanks to strict select for raw materials, automatic production by accurate machine and careful quality control.
● Self-developed chips with brilliant performance.
● Strong durability against the environment of vibration.

The Basic Principle Of NOx Sensor (For KIA)

The NOx sensor is typically located in the exhaust pipe, downstream of the catalytic converter. It works by measuring the amount of NOx present in the exhaust gases using a specialized ceramic material that reacts with the nitrogen oxides. This reaction generates an electrical current, which is then used to calculate the concentration of NOx in the exhaust.
The NOx sensor is an important part of the engine's emissions control system. The sensor sends the information about the NOx level to the engine control unit (ECU), which then makes adjustments to the engine's performance to reduce the NOx emissions. This can be achieved by adjusting the fuel injection timing, the air-to-fuel ratio, or by activating the catalytic converter.
Knowing When to Change NOx Sensor (For KIA)
Knowing when to change NOX sensor ensures uninterrupted, reliable vehicle performance. Recommended scenarios for replacement include:
Mileage Interval:
Typically, a NOX sensor lifespan ranges from 60,000 to 100,000 miles, depending on vehicle usage and conditions.
After Persistent Warning Lights:
Replace immediately if dashboard warning indicators remain persistent after sensor testing.
Following Emissions Test Failures:
Failed emissions inspections typically point towards faulty NOX sensors requiring immediate replacement.
During Routine Exhaust System Maintenance:
Proactive replacement during exhaust or SCR system servicing helps maintain overall system efficiency.
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 kia) manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade nox sensor(for kia) made in China here from our factory.
BMW 2711801210, Oxygen Sensor 39210 25300, Peugeot 205 308 Oxygen Sensor



