For 1939-1940 Buick, Cadillac, LaSalle, Oldsmobile, and Pontiac cars (excluding convertibles), these front vent window seals are precision-engineered to fit perfectly and restore the original look and function of your classic vehicle. Designed using the latest CAD and CNC milling technology, these seals ensure a flawless 3D contour that matches OEM quality and appearance. Crafted to keep out water, wind, and debris, they provide a snug, weatherproof seal for your vent windows, enhancing both comfort and protection. This pair includes both left and right seals, making installation straightforward and ensuring a balanced, professional finish. Backed by Metro’s 30-year warranty, you can trust in their durability and performance for decades to come.