Ships the same day! We ship within 10-12 hours after payment is confirmed. We also ship on weekends and holidays. # Gear Set for Days Contents: Metal gears: 2 (30 teeth, genuine equivalent) Aluminum (Diameter x Thickness x Height: 19.5 x 3 x 6) Shaft hole Φ3.4 *Please confirm the number of teeth and shaft hole Φ3.4 before ordering. Compatible vehicles: ■ NISSAN Nissan Days (B21W) Days Roox (B21A) If the mirror doesn't retract even when the switch is turned on, there is a high possibility that the internal gears are faulty. The door mirrors of Days Roox, after years of use, the original resin gears will crack due to the opening and closing of the mirror. My left side mirror also started making a motor whirring sound and stopped working, so I replaced the resin gears with metal ones. Recommended for those who want to replace them cheaply with DIY in the same situation. Shafts are not included. Please replace the metal gears. Reference: The screws on the motor unit at the bottom of the mirror are: Phillips head screws → 48 teeth Torx screws → 30 teeth However, this is not always the case. Also, shaft holes Φ3.4 and Φ4.4 are mixed. Search terms: Moco door mirror gear Roox door mirror gear Nissan genuine door mirror electric retractable metal worm gear