Reliable replacement for faulty sensors: This IMM ice thickness switch replacement is engineered to restore your Scotsman ice machine's performance, delivering consistent, properly sized ice without the premium cost of OEM parts, helping reduce downtime and long-term maintenance expenses. Exact fit for part A39031 021: Designed as a direct drop-in replacement for the original sensor, this unit matches the specifications of part A39031-021 for seamless compatibility, allowing quick installation and dependable operation that mirrors factory performance for your Scotsman machine. Easy DIY installation: No professional service or special tools are required for this IMM ice thickness sensor switch replacement; simply disconnect power, remove the worn sensor, install the unit, and reconnect power to have your machine producing ice like in just a few simple steps. Color: Black & Silver Material: Metal+Plastic Package Contents: 1*Ice Thickness Sensor Switch 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.