Illumination devices mounted on top of the engine’s air intake housing, specifically designed for installation on the Peterbilt 389 model truck, enhance both the vehicle’s aesthetics and its visibility, particularly during nighttime operation. These lights serve as a distinctive visual marker, often customized to reflect the owner’s or operator’s individual style.
The implementation of such lighting contributes to improved road safety by increasing the vehicle’s conspicuity to other drivers, especially in low-light conditions. Historically, these lights have evolved from simple marker lamps to sophisticated LED arrays, offering enhanced brightness and longevity. This trend reflects a growing emphasis on customization and personalization within the trucking industry.