The McCormick 3231505R91 is a genuine OEM left rear lamp designed for a wide range of David Brown and Case IH tractor models. This 12V rear light provides essential visibility and safety for agricultural operations, serving as a direct replacement. Manufactured to original specifications, it ensures reliable performance and a precise fit. Key dimensions include a length of 220mm, a width of 100mm, and a height of 75mm, making it suitable for various compatible machinery.