Bosch 0281004207 - lambda sensor with vehicle-specific plug. By measuring the amount of oxygen in the exhaust gas and sending the resulting signals to the control unit, the control unit can adjust the air-fuel ratio in the combustion chamber to comply with the exhaust standards. The Bosch lambda sensor with vehicle-specific connectors efficiently supports powerful combustion on all engine types, including diesel, thanks to continuously advanced and innovative technology. Ready to assemble and easy to install.