This passenger-side rear cargo door seal is designed specifically for 1980-1991 Chevrolet and GMC Suburban Trucks, replacing OEM #9764131. Crafted by SUPERsoft, this seal is 30% softer and more durable than other brands, ensuring a snug, long-lasting fit. Its high-quality rubber construction avoids the use of accelerants or cheap fillers, preventing premature aging or cracking. The seal is engineered to keep out water, dust, and wind, maintaining a quiet and comfortable interior. Installation is straightforward, with pre-installed clips for a secure fit along the rear cargo door frame. Backed by SUPERsoft's 30-year warranty, this part guarantees peace of mind and reliable performance for decades.