Element
Replaces 3403585
Heats the air. Clothes still damp after a full timed cycle usually point here.
Operating thermostat
Controls the heat. A dryer that runs too hot or won't heat points here.
Drum belt
Replaces 660996
Turns the drum. If the motor hums and the drum stays still, check the belt first.
Idler pulley
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Thermostat
Replaces 3399693
Controls the heat. A dryer that runs too hot or won't heat points here.
Blower wheel
Moves air through the drum. Long drying times and rattling point here.
Drive motor
Replaces 3395652
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Door switch
Replaces 3406101
Door, lid and control switches stop a cycle when they fail.
1Element279838
2ThermostatWP3387134
3Drum belt341241
4Idler pulleyWP691366Part numbers come from the Sears PartsDirect parts list for the KitchenAid KEYS677EZ1 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Where the model number is
Inside the door opening, on the frame or the back of the door. Older models: on the back panel near the cord.