Bosch 0 281 004 191 Lambda/Oxygen SensorThe Bosch Lambda sensor, model number 0281004191, is an oxygen O2 exhaust probe with five poles. It accurately measures air-fuel mixture to optimize engine performance and reduce emissions
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Bosch 0 281 004 191 Lambda/Oxygen Sensor is a high‑performance, OEM‑grade component designed to monitor exhaust gas composition and enable precise fuel management in modern internal combustion engines.
| Parameter | Description |
|---|---|
| Model Number | 0 281 004 191 (also listed as 0281004191, LS44191, 03L906262Q) |
| Connector Type | 5‑pin vehicle‑specific connector for seamless integration with OEM wiring harnesses. |
| Operating Temperature Range | -40 °C to +120 °C (typical automotive range). |
| Response Time | Fast (< 200 ms) to support rapid engine load changes. |
| Material | High‑temperature ceramic sensor element with a stainless steel housing for durability. |
| Compatibility | Designed for Audi, Seat, Skoda, and Volkswagen models including the A3, A4, A5, A6, Q3, Q5, TT, Golf VII, Tiguan, Sharan, and others. |
| Installation Location | Front of the catalytic converter (pre‑cat). |
| Electrical Characteristics | Typical voltage drop 0.1 V to 0.9 V; current consumption < 10 mA. |
The sensor is engineered for straightforward installation:
The Bosch 0 281 004 191 sensor is manufactured under strict quality controls, meeting ISO/TS 16949 automotive standards. It undergoes rigorous testing for temperature stability, electrical integrity, and mechanical robustness before shipping.
Bosch is a globally recognized leader in automotive electronics and sensor technology. The 0 281 004 191 Lambda/Oxygen Sensor reflects the brand’s commitment to reliability, precision, and environmental stewardship. Its proven track record across multiple vehicle families makes it a trusted choice for both OEMs and aftermarket installers.
The Bosch 0 281 004 191 Lambda/Oxygen Sensor delivers accurate, reliable, and efficient exhaust gas monitoring, essential for modern engine management systems. Its robust construction, vehicle‑specific connector, and compatibility with a wide range of Audi, Seat, Skoda, and Volkswagen models make it an indispensable component for maintaining optimal performance, fuel economy, and emissions compliance.
Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design.
Bosch Lambda sensor with vehicle-specific connector for detecting oxygen levels in exhaust gas, ensuring optimal engine performance and compliance with emissions standards.
Oxygen sensor with 5 poles and vehicle-specific connector, measures exhaust gases to optimize engine performance.
Conductor Number: 5Overall Length [mm]: 655Recommended replace interval [km]: 250000Cable Length [mm]: 640Number of circuits: 5
Oxygen sensor with vehicle-specific connector, measures exhaust gases to optimize engine performance and reduce emissions.
Bosch Lambda sensor with vehicle-specific connector for detecting oxygen levels in exhaust gas, ensuring optimal engine performance and compliance with emissions standards.
Lambda sensor with vehicle-specific connector and oxygen exhaust probe, 5 poles for precise measurement of exhaust gases.
