Bosch 12-789-959 Crankshaft Position Sensor

The Bosch 12-789-959 Crankshaft Position Sensor is a precision-engineered component designed to monitor the speed, position, and rotational direction of the crankshaft. This critical sensor provides the engine management system with real-time data needed to control ignition timing and fuel injection, ensuring optimal engine performance and efficiency.

Key Features:

• Utilizes non-contact sensing technology to scan the crankshaft trigger wheel for accurate detection
• Provides precise engine speed data for optimal ignition timing control
• Supports smoother engine operation and improved driving comfort
• Helps reduce fuel consumption and CO₂ emissions through accurate engine management
• Manufactured to Bosch OE quality standards for reliable performance
• Direct replacement for worn or failed factory sensor

This Bosch crankshaft position sensor plays a vital role in modern engine management systems by delivering the critical timing information needed for proper combustion control. When a crankshaft sensor fails, it can cause rough idle, poor performance, stalling, or prevent the engine from starting altogether.