4" Round Lights

4" Round Lights – Dependable Performance for Every Haul

Whether you are replacing worn out lights or adding extra markers, 4" round semi lights provide bright, consistent lighting that enhances road safety. Available in a variety of finishes and lens colors, these lights allow you to customize your truck’s appearance while maintaining superior visibility. LED options are energy efficient, long-lasting, and resistant to corrosion and moisture, giving your rig a modern, professional look with minimal maintenance. Built to endure the demands of long-haul trucking, these lights are a reliable choice for professional drivers who need dependable performance day after day. 

Affordable 4" Round Semi Lights – Easy Installation

Iowa80.com carries 4" round lights from trusted brands at prices that fit your budget. We also provide all the necessary hardware, wiring, and mounting accessories for a secure, professional installation. Whether you are upgrading your truck’s lighting system or replacing existing lights, these 4" round lights help improve safety, visibility, and style. Shop today to keep your semi-truck clearly marked, fully illuminated, and perform at its best from top to bottom.

Bright, Dependable, and Built to Last 

4" round semi lights are more than just functional, they are designed for performance, durability, and visual appeal. These lights withstand vibration, harsh weather, and constant road exposure, providing long-lasting illumination for every trip. With multiple finishes, lens colors, and LED options available, you can personalize your truck while ensuring maximum visibility for safer driving. Perfect for professional drivers and fleet vehicles, 4" round lights are an essential addition to any semi-truck lighting setup.