Under 1988.101, "Motor vehicle equipment" includes: (1) any system, part, or component of a motor vehicle as originally manufactured; (2) any similar part or component manufactured or sold for replacement or improvement of a system, part, or component, or as an accessory or addition to a motor vehicle; and (3) any device or article or apparel (including a motorcycle helmet and excluding medicine or eyeglasses prescribed by a licensed practitioner) that is manufactured, sold, delivered, or offered to be sold for use on public streets, roads, and highways with the apparent purpose of safeguarding users of motor vehicles against risk of accident, injury, or death.
- Practical examples: original brakes (1), aftermarket brake pads or seat covers (2), and safety apparel like helmets (3).