.This Tachometer Crankshaft Speed Sensor VOE20450707 20450707 0261210113 8885568 fits EC240, EC290 and EC210B excavators perfectly. It precisely senses crankshaft rotational speed and position, delivering stable signals for tachometer display and engine operation control. Adopting premium internal parts and rugged waterproof casing, it adapts well to tough construction site environments. Manufactured to OEM specifications, it features precise fitment, sensitive induction and long service life for routine equipment maintenance.