Universal Treadmill Light Sensor 4Pin Speed Tachometer Replacement Part

When your treadmill shows inaccurate speed readings, fails to start properly, or runs unevenly, it often means the speed sensor needs to be replaced. This universal 4-pin light sensor tachometer is designed for most mainstream treadmills, making it a reliable replacement part for fixing treadmill speed detection issues. Using optical sensing technology, it accurately captures the movement of the treadmill belt and transmits stable speed signals to the control board, ensuring accurate speed display and adjustment. The standard 4-pin connector makes installation simple—just replace the original sensor directly, with no special tools or complex wiring required. Whether for home treadmills or gym equipment, this speed sensor delivers stable performance. Made from quality materials, it offers strong anti-interference capability and durability, helping extend the overall service life of your treadmill. Please confirm your treadmill model and original sensor connector compatibility before purchasing to ensure a perfect fit.