This upper door seal is designed for 1978-1982 GM full-size trucks and SUVs, fitting the left side only. It replaces OEM #14016511 and is crafted to mount on the upper part of the driver’s door using weatherstrip adhesive glue (not included). Made from high-quality, ozone-resistant EPDM rubber, this seal ensures a precise fit and long-lasting durability. Its accurate seal profile effectively reduces drafts and road noise, enhancing the comfort of your ride. This part is specifically tailored for Chevrolet and GMC models, including C10, C20, C30, K10, K20, K30, K5 Blazer, Suburban, Jimmy, and more from 1978 to 1982. With its durable construction and easy installation, this seal is an excellent choice for restoring your vehicle’s weatherproofing and maintaining a quiet cabin.