The Peterbilt LED Dual Revolution Turn Signal and Marker Light is a highly practical and efficient lighting solution for Peterbilt models 357, 365, 367, 378, and 379. With industry-leading dual revolution technology and 24 diodes, this light offers both turn signal and marker functions in one unit. Its clear, crack-resistant polycarbonate lens ensures durability, while its DOT compliance guarantees auxiliary function. Sold individually with a 3-year warranty, this light is designed to fit seamlessly on the side of Peterbilt headlights, making it a reliable and convenient choice for truck owners.