The Timer is an OEM part for GE dryers. It controls the length of the drying cycles by advancing through the cycle's various stages, including drying, cool down, and finish. This component ensures that the dryer operates for the correct amount of time based on the selected settings. You should replace this timer if it malfunctions or fails to progress through the cycle stages properly. Common causes of a bad timer include electrical failures, worn contacts within the timer mechanism, or damage from repeated use over time. Symptoms of a bad timer include: Dryer not advancing through cycles Dryer stopping prematurely or running continuously Inconsistent drying times Timer not moving or making unusual noises This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.Part Number WE04X20089 (AP5806905) replaces WE4M356, 3288679, PS9493080.