The Frigidaire 134886700 White Timer Knob provides easy and accurate control of dryer cycle and time settings for convenient operation. This replacement knob is designed to fit onto the dryer’s timer control shaft, allowing users to select and adjust drying cycles by turning it to the desired position. It works by transmitting the user’s input directly to the timer mechanism, helping ensure smooth and reliable cycle selection. Replacing a cracked, worn, or missing timer knob can help restore normal control, improve ease of use, and maintain the appliance’s original appearance. Its durable white finish is designed to withstand regular everyday operation.