Whirlpool Dryer Cycling Thermostat WP3387134

Whirlpool OEM dryer cycling thermostat with an internal bias heater, rated L155-25. It regulates dryer operating temperature by cycling the heat source.

Is This the Right Part?

Common Symptoms

• Dryer overheating
• Inconsistent drying temperature
• Dryer not heating correctly

Check Before Replacing

• Verify the appliance model number against the part listing before replacement.
• With power disconnected, inspect the thermostat and wiring for visible damage or loose connections.
• Test the thermostat according to the appliance service procedure; do not rely on appearance alone for diagnosis.

Pro Tip

Part Details

Key Features

• Internal bias heater
• L155-25 rating
• Opens at approximately 155°F and closes at approximately 130°F

Installation Notes

• Disconnect electrical power before servicing the dryer.
• Use the appliance-specific service procedure and verify wire placement before removing the thermostat.
• Do not substitute a thermostat with different temperature or heater specifications unless specifically documented for the appliance.

Verified Compatible Models

3CG2901XSN1, 3CG2901XSN3, 3CG2901XSW1, 3CG2901XSW3, 3CGP2951BN0, 3CGP2951BW0, 7MBPS8843MQ0, 7MBPS8843MQ1, 7MLGR4634JQ3, 7MLGR4634JQ4, 7MLGR4634JT3, 7MLGR4634JT4, 7MLGR4634PQ0, 7MLGR4634PT0, 7MLGR5620MQ0, 110.65964400, 110.66612690, 110.96590140, 110.97577430, 110.C62102310, KEYE677BWH1, KGYE665BWH0, LDE8600ACW, LER7646DW1, LER8858EQ1, NED5500TQ0, TEDS680BW2, TGDS840PQ1, WGD4950HW1, WGD5300ST0, YLEN1000PQ1, YWED5200VQ1

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.