Gas igniter
Replaces 304970
A gas dryer that runs without heat often has a weak igniter.
Gas sensor
Replaces 303377
Controls the heat. A dryer that runs too hot or won't heat points here.
Roller w/bea
Replaces 303373
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Cycling thermostat
Replaces 303392
Controls the heat. A dryer that runs too hot or won't heat points here.
Idler pulley
Replaces 303705
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Drum bearing kit
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
1Gas igniter4391996
2Gas sensorWP338906
3Roller w/bea12001541Part numbers come from the Sears PartsDirect parts list for the Maytag DG303 (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.