For 1949-1950 Mercury cars, including the Mercury and Monterey models, this tail-light socket seal gasket is a must-have for maintaining your vehicle's classic appeal. Measuring 2-1/2" in outer diameter and 1-3/8" in inner diameter, it is designed to provide a snug and reliable fit. Crafted with excellent chemical and UV resistance, this gasket ensures long-lasting durability while effectively sealing the tail-light socket to prevent moisture, dirt, and debris from entering. Its high-quality material resists wear and tear, making it a dependable choice for restoration or maintenance projects. Backed by a 90-day warranty, this part is a hassle-free solution to keep your Mercury looking and performing its best.