BOSCH 0281004801 

Oxygen Sensor (Lambda Sensor )

Technical Data

Product Information

The Oxygen Sensor (Lambda Sensor) is a vital emissions control component that continuously monitors the amount of unburned oxygen in the exhaust gases . This premium BOSCH unit utilizes advanced LSU-4.9 wideband technology, which provides a continuous, highly accurate proportional signal to the Engine Control Unit (ECU). This allows the engine management system to instantaneously adjust the air-fuel mixture, optimizing combustion, improving fuel economy, and significantly reducing harmful emissions . Measuring 335 mm in overall length, this sensor is engineered to withstand extreme exhaust temperatures and vibrations . It serves as a direct OE replacement for a wide range of Honda applications, superseding multiple older BOSCH part numbers .

About the Manufacturer: BOSCH is the original inventor of the automotive Lambda sensor and remains the undisputed global leader in engine management and emissions technology. As the premier Original Equipment Manufacturer (OEM) for automakers worldwide, BOSCH oxygen sensors guarantee exact fitment, unmatched reliability, and superior response times to help engines run cleaner and more efficiently .

• ✔ Genuine BOSCH LSU-4.9 wideband technology ensures highly accurate, continuous air-fuel mixture regulation .
• ✔ Designed with an integrated heater for ultra-fast light-off times and immediate emissions control .
• ✔ Exact replacement for OEM part numbers including Honda 36531-RL0-G01 and 36531-RZ0-G01 .

Cross Reference

Fully interchangeable with OEM/OE parts:

⚠ Diagnostic & Installation Tip ⚠

Before replacing the oxygen sensor:

• Check the exhaust system for leaks upstream of the sensor. Exhaust leaks can draw in outside air, skewing the sensor's readings and triggering false lean mixture codes .
• BOSCH oxygen sensors often come with threads pre-coated with anti-seize compound. If applying additional anti-seize, ensure it never touches the sensor tip or slots, as this will permanently ruin the delicate wideband element .
• Always route the 335 mm sensor cable carefully, keeping it away from extreme heat sources like the exhaust manifold to prevent melting and short circuits .

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