Igniter
Replaces 686590
A gas dryer that runs without heat often has a weak igniter.
Replaces 686590
A gas dryer that runs without heat often has a weak igniter.
Controls the heat. A dryer that runs too hot or won't heat points here.
Replaces 3387610
Turns the drum. If the motor hums and the drum stays still, check the belt first.
Replaces 3388672
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Moves air through the drum. Long drying times and rattling point here.
Replaces W10250900
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Drive parts wear out: a machine that fills but won't spin or agitate often points here.
1Igniter279311
2ThermistorWP8577274
3Drive belt661570V
4Idler pulley279640Part numbers come from the Sears PartsDirect parts list for the Whirlpool WGD9470WL2 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Inside the door opening, on the frame or the back of the door. Older models: on the back panel near the cord.