Whirlpool Dryer Fixed Thermostat - WP3977767

Whirlpool Dryer Fixed Thermostat - WP3977767

Restore dryer high-limit heat control with this Whirlpool Dryer Fixed Thermostat - WP3977767. This high-limit thermostat helps interrupt heat if the dryer temperature rises beyond its limit.

WP3977767 is a Whirlpool dryer high-limit thermostat listed as L250-80 with terminal extension arm on Whirlpool parts references. It should be closed at room temperature and open around 250°F.

Fits These Brands / Families: Select Whirlpool, Kenmore, KitchenAid, Estate, Inglis, Roper, Maytag, and related Whirlpool-built dryers that call for WP3977767.

Verified model / platform examples: Sears examples include LER5644JQ3, KEYS677EZ1, 11062812100, LEN2000LW1, YIED4700YQ1, LER8858EZ1, TEDX640PQ1, IP84000, RES7646KQ1, and LER8620PW1.

This part commonly replaces or cross-references previous part numbers including 3977767, 3399693, 898078, AP6009043, ER3977767, PS11742185, SET185, TJ90SET185, WP3977767VP.

Fitment / What To Verify: Confirm dryer model, thermostat mounting, terminal extension arm, and heater-box location. Diagnose airflow, cycling thermostat, and thermal cutoff issues when replacing high-limit parts.

Please confirm fitment with your appliance model number before ordering.

Is it time to replace?

• Common Symptoms: Dryer not heating, overheating, heat cycling abnormally, thermal cutoffs opening, or high-limit thermostat testing open when it should be closed.
• Visible/Sensory Cues: Burned terminals, heat-stressed housing, failed continuity at room temperature, or old thermostat number matching WP3977767.

Pro Tip: High-limit thermostats often fail because the dryer is overheating. Clean the vent path and verify blower operation before closing the repair.

Technical Specifications