Burner igniter
A gas dryer that runs without heat often has a weak igniter.
Radiant sensor
Controls the heat. A dryer that runs too hot or won't heat points here.
Belt
Replaces WE12X42
Turns the drum. If the motor hums and the drum stays still, check the belt first.
Idler pulley
Replaces WE12X47
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Motor switch
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Start switch
Replaces WE4X488
Door, lid and control switches stop a cycle when they fail.
Door switch
Door, lid and control switches stop a cycle when they fail.
1Burner igniterWE4X444
2Radiant sensorWE4X448
3BeltWE12X10014
4Idler pulleyWE12X81Part numbers come from the Sears PartsDirect parts list for the GE DDG7280PB (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.