3387134 High limit thermostat cuts off the current when the cycle thermostat fails and temperature reaches 155 degrees Celsius, preventing overheating. 3392519 Dryer thermal fuse acts as a safety mechanism to stop current flow to the motor circuit if the dryer overheats. This fuse is non-resettable and must be replaced if blown. Replace promptly to maintain safe operation. It is recommended to check the dryer vent before replacement. A clogged vent may cause repeated fuse failure. 3977393 Thermal cut-off switch safety assembly rated at 309F, compatible with units requiring a 325F fuse. 3977767 Cycling thermostat functions as a safety device to prevent overheating. When the dryer reaches 221 degrees Fahrenheit, it shuts off power to the heating element until the temperature drops by 80 degrees Fahrenheit. Note: Take a photo before removing any parts to ensure proper reassembly. Unplug the dryer before installation. Wear work gloves to protect hands during installation. Brand names and model designations are used solely for compatibility reference. If you are uncertain whether this part fits your model, consult the product compatibility section or contact the seller through customer questions. We recommend inspecting the existing part after disassembling the unit to verify specifications before purchase. Color: Silver Material: Iron + 80 nickel wire Package Contents: 1 x 3977767 Dryer Thermostat 1 x 3387134 Dryer Thermostat 1 x 3392519 Dryer Thermal Fuse 1 x 3977393 Dryer Thermal Fuse Package includes only the items listed above; other accessories are not included. Note: Lighting and display differences may cause slight color variation between the image and actual item. Measurement tolerance is +/- 1-3 cm.