After-sale support is a major differentiator between brands and generic replacement parts. Availability of warranty and technical support is an important aspect, as is access to product-specific experts. Branded parts are more likely to be backed by extensive research, marketing support, and field support. OEM manufacturers have created specifications and tolerances to ensure proper function and longevity of their products. In addition, even minor adjustments can have a significant impact on the performance and longevity of your vehicle. Read more at Post navigation