Bosch LR126181 Crankshaft Position Sensor OE Replacement

The Bosch LR126181 is a direct-fit OE-replacement crankshaft position sensor engineered to Bosch's original equipment manufacturing standards. As one of the world's largest suppliers of original equipment ignition and engine management components, Bosch produces this sensor to the same specifications found on the factory assembly line.

The crankshaft position sensor monitors the rotational speed and position of the crankshaft, providing critical data to the engine control module (ECM). This signal is used to precisely time fuel injection and ignition events, making it one of the most essential sensors in a modern engine management system. A failing or failed crankshaft sensor commonly causes hard starting, rough idle, misfires, stalling, or a no-start condition, and will typically trigger a Check Engine Light.

Key Features:

• Manufactured to original equipment specifications for reliable, accurate signal output
• Direct-fit replacement — no modification or splicing required
• Constructed with high-quality materials to withstand engine bay heat and vibration
• Helps restore proper ignition timing and fuel injection performance
• Backed by Bosch's quality engineering and manufacturing standards

The Bosch LR126181 crankshaft position sensor is the trusted choice for restoring proper engine operation. Installation with OEM-quality components helps ensure long-term reliability and accurate engine management performance.