What is a major disadvantage of using aftermarket parts?

The chosen answer highlights a significant concern with aftermarket parts: they may lack warranty coverage. When original equipment manufacturers (OEM) parts are used, there's often a warranty that protects both the consumer and the vehicle's performance. In contrast, many aftermarket parts do not come with the same level of warranty protection, which can leave the vehicle owner vulnerable if the part fails shortly after installation. This lack of coverage can lead to additional costs for the vehicle owner if repairs are needed due to the failure of those non-warrantied parts.

In the automotive repair industry, ensuring quality and reliability is paramount, and warranty promises are a key aspect of consumer protection. Without a warranty, vehicle owners may face unexpected expenses, undermining the savings they believed they were achieving by opting for cheaper aftermarket components. This makes understanding the implications of using such parts critical for both appraisers and consumers within the industry.