1. The part number of the sensor is S8941-01570, and all matching models can be used. 2. This is a sensor that converts the speed of a rotating object into electrical output, and can be used in mechanical, electrical, magnetic, etc. 3. The sensor has the function of detecting engine speed and is one of the most important sensors in the control system. 4. The speed sensor has high sensitivity, stable operation performance and long service life. 5. Suitable for Kobelco excavator SK200‑8/210‑8/250‑8, which is used to monitor the processing speed, is a good replacement part. Name:Crankshaft Position Sensors Type:Engine Crankshaft Position Sensor Placement:Crankshaft Part Number:19311-78030 1931178030 949979-131 949979131 Fitment: For Excavator SK200-8 210-8 250-8 J05 Engine For Kobelco Excavator SK210D-8,SK210DLC-8,SK210LC-8,SK215SRLC,SK235SR-1E,SK235SR-2,SK235SRLC-2 Colour:Black Material:Plastic Package Contents: 5 * Crankshaft Position Sensors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.