Bosch 8653171 Ignition Knock Sensor

The Bosch 8653171 Knock Sensor is a precision-engineered ignition component designed to detect and monitor engine knock, protecting your engine from damaging detonation. This OE-quality sensor utilizes advanced piezoelectric technology to identify high-frequency engine vibrations characteristic of pre-ignition and transmit critical data to the engine control unit (ECU) for real-time ignition timing adjustments.

Key Features:

• Piezoelectric measuring element detects structure-borne engine vibrations with precision
• Mounts directly to the engine crankcase for accurate knock detection
• Enables optimal ignition timing for improved fuel economy and increased torque
• Operates reliably in extreme temperature conditions
• Helps prevent engine damage from sustained knocking and detonation
• OE supplier part number 0261231178

By continuously monitoring combustion quality and detecting abnormal engine knock, this sensor allows the ECU to adjust ignition timing to prevent cylinder head and head gasket damage while maximizing engine performance. The robust design ensures long-term reliability even under harsh operating conditions.

Cross-Reference Numbers: 0261231178, 0-261-231-178, 0.261.231.178, 1000792, 76000792, EAN 4047024887794