This is a NEW Tisco AXE58085 header height and concave position sensor. This sensor is compatible with the John Deere models listed below. Used as a Concave Position Sensor on: Combine: 9560 STS, 9570 STS, 9650 STS, 9660 STS, 9750 STS, 9760 STS, 9770 STS, 9860 STS, 9870 STS, 9880 STS, S650, S660, S670, S680, S690.