Designed for 1981-1991 Chevrolet and GMC trucks and Suburbans, this 4-piece weatherstrip set is crafted to replace the vent window seals and rear division channel seals on both the driver and passenger doors. This set features the two-piece per side design, so be sure to confirm compatibility with your vehicle before purchase. Made from high-quality, ozone-resistant EPDM rubber, these seals are built to original specifications for a precise fit and long-lasting durability. They effectively block out weather, drafts, and road noise while keeping your climate-controlled air inside, ensuring a quieter and more comfortable ride. The durable EPDM polymer construction resists wear and tear, providing reliable protection against the elements. This set is a perfect fit for a wide range of models, including Chevrolet C10, C20, C30, K10, K20, K30, Blazer, and Suburban trucks, as well as GMC C1500, C2500, C3500, K1500, K2500, K3500, Jimmy, and Suburban trucks from 1981 to 1991. Backed by a 90-day warranty, this set offers peace of mind with its no-hassle replacement guarantee.