The Case IH 3145615R2 is a genuine OEM wiring harness designed for a wide range of Case IH agricultural equipment. This essential electrical component ensures reliable power and signal transmission throughout the machine's systems, providing critical connectivity for various functions. It is compatible with numerous combine, cotton picker, forage harvester, swather, tractor, and windrower models, ensuring proper fit and performance. This part replaces the earlier OEM number 3145615R1.