The FSM rebuild kit allows you to refresh your thermostat or change it to a different tempreature rating. This kit comes with all of the thermostat's internals and is available in all six temperature ratings: 135°F, 145°F, 165°F, 185°F, 205°F or 215°F.

Applications

• FSM-135 High-Flow, Low-Temp Fluid Thermostat
• FSM-145 High-Flow, Low-Temp Fluid Thermostat
• FSM-165 High-Flow Transmission Fluid Thermostat
• FSM-185 High-Flow Engine Oil Cooler Thermostat
• FSM-205 High-Flow Engine Oil Cooler Thermostat
• FSM-215 High-Flow, High Temp Engine Oil Cooler Thermostat

Includes

• 1 x Thermal element (135°F, 145°F, 165°F, 185°F, or 215°F)
• 1 x Stainless steel spring
• 1 x Viton O-ring seal
• 4 x M4 housing screws