AP9100687, Washer 28X10.5X3, Aprilia, Derbi, Moto Guzzi, Vespa, Gilera, Piaggio

The AP9100687 is an Original Equipment Manufacturer (OEM) replacement washer. This particular washer is designed and manufactured to fit specific models of well-known automotive brands, including Aprilia, Derbi, Moto Guzzi, Vespa, Gilera, and Piaggio. Notably, OEM parts like this are always the superior choice for vehicle maintenance and repair over alternative aftermarket parts. They ensure a perfect fit and functionality as they are produced to the same standards and specifications as the vehicles' parts when rolling off the manufacturing line.

This washer, labeled as 28X10.5X3, depicts its dimensions: a 28mm outer diameter, a 10.5mm inner diameter, and a 3mm thickness. These precise measurements contribute to its appropriate fit, while the dimensions aid the users in identifying the correct part for their requirements.

Washers serve multiple purposes in the automotive universe. They are critical components that play important roles in a vehicle's functionality. They are foundational in ensuring that the vehicle's nuts and bolts have a smooth surface to gear against. This helps prevent any damage to the surface areas from the bolts and nuts being tightened. They also help disperse the load of the tightened fixture across a wider area to enhance the longevity and success of the joint.

These washers occasionally act as a spacer or provide a locking mechanism to prevent the accidental loosening of fasteners due to vibration or other forces. The part's critical function makes it a vital replacement spare to secure on time to ensure the continuous proper functioning of the vehicle.

When replacing vehicle parts like this AP9100687 washer, it is crucial to make sure the new part is compatible with your vehicle model and brand. Wrong spare parts can lead to unnecessary headaches and cause more damage to the vehicle.