Bosch Ignition Knock Sensor

The Bosch ignition knock sensor (also called a detonation sensor or engine knock sensor) helps your engine control unit detect abnormal combustion, known as engine knock or detonation. Bosch is a leading OE supplier, and this sensor line is built to support reliable engine management and protect your engine.

Key Features:

• Detects the vibrations caused by engine knock and sends a signal to the engine control unit
• Lets the ECU adjust ignition timing in real time, which supports engine performance, fuel efficiency and smooth running
• Helps protect pistons, rings, bearings and other internal engine components from damage caused by detonation
• Piezoelectric sensing design gives a precise, responsive signal
• Built to OE-level quality standards for fit, durability and dependable operation under heat and vibration
• Designed for straightforward replacement of the original sensor

A faulty knock sensor can cause a check engine light, reduced power, poor fuel economy or rough running. Replacing it with a quality Bosch sensor helps restore proper engine protection and performance. Select the correct part number for your application from the available options.