Genuine OEM Toyota Drive Shaft Clamp, part number 42345F4020. This clamp is used to secure the protective rubber boot over the drive shaft joint, preventing dirt and moisture from entering and lubricant from escaping. It is a critical component for the longevity of the drive shaft. Positioned around the drive shaft boot. Made from durable metal designed for secure fastening. Genuine OEM clamps offer the correct tension and resistance to corrosion for reliable performance.