This radiator fan thermo switch is compatible with FZS600 (1998-2003), FZS600S (2000-2003), SZR660 (1997), and TRX850 motorcycles.It replaces OEM 3LN-82560-00 and is designed for integration into motorcycle cooling systems to help maintain consistent engine operating temperatures.The component is engineered to function reliably across a range of environmental conditions and is constructed to withstand the heat and vibration associated with motorcycle use.Installation is straightforward due to its direct-fit design.The package includes the thermo switch only.