BOSCH 0261.231.188-U5G Knock Sensor KS4-P

Knock sensor KS4-P BOSCH 0261.231.188-U5G.

This sensor is designed to detect structural vibrations in spark-ignition engines caused by uncontrolled combustion. The vibrations of the engine block cause the sensor to move due to the inertia of its seismic mass, generating a compression force converted into a voltage signal by a piezoceramic element. This allows for precise definition of voltage thresholds corresponding to acceleration amplitudes.

Designed to operate in extreme conditions, this sensor is distinguished by its robustness, compact design, and high precision in detecting structural noises. Its optimized format directly integrates the connector into the sensor housing, ensuring reliable performance even in the most demanding environments.

- Frequency: 3 to 25 kHz.
- Sensor head height: 18 mm.
- Male thread (for molding) M8x25.
- Male thread (for aluminum) M8x30.
- Tightening torque: 20 ± 5 Nm.