Update Dryer Parts: 4392067 kit meets original manufacturer specifications and performance. It is well tested by the manufacturer. This WPW10314173 drum roller features highly elastic polymer compounds, providing strong, wear-resistant, silent, and non-cracking rollers. It provides sufficient support, stability, durability, and higher efficiency for your machine. The new 661570V dryer drum belt offers improved elasticity and strength. Easy to Install: Refer to videos on how to replace the specific part for your dryer. Installation takes about 1 hour and is straightforward. (Installation process is fairly easy with 2 people and possible with 1 person, though slightly more awkward.) After replacement, the dryer will return to stable operation without abnormal noises. Meaningful Design: These parts are a reliable replacement for the original dryer components at a fraction of the cost. Material: Plastic Color: As shown Package Contents: 4 x WPW10314173 Drum Roller 1 x 279640 Idler Pulley 1 x 661570V Dryer Belt 9 x O-Rings 1 x White 4 x Black Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allows an error of +/- 1-3 cm.