When selecting a car mirror back cover, the durability of the material is one of the most important factors to consider. The back cover’s main role is to shield the mirror from damage caused by external elements like debris, rain, and UV rays. Different materials offer varying levels of protection and longevity.

Plastic is one of the most commonly used materials for mirror back covers. It is cost-effective, lightweight, and resistant to rust. However, its durability might not match that of other materials, especially in harsh weather conditions. Over time, plastic can become brittle, cracked, or discolored due to exposure to the sun.

On the other hand, metal covers, often made from aluminum or stainless steel, are known for their strength and longevity. They provide superior protection against impacts, scratches, and environmental wear. However, metal covers are heavier than plastic, which may not be desirable for all vehicle owners.

Carbon fiber is another popular choice due to its lightweight nature and excellent strength-to-weight ratio. It is resistant to corrosion and can withstand various weather conditions. Furthermore, carbon fiber offers a high-tech appearance, which appeals to many car enthusiasts looking to enhance their vehicle’s performance and look.

The material chosen will depend on a variety of factors, including the climate in which the vehicle is used, the driver’s preferences, and the budget available. A well-chosen material can greatly extend the life of the mirror back cover and keep the side mirrors looking and functioning like new for a long time.