Upgrade your vehicle's parking assist system with these 4 high-quality rear bumper backup sensors, engineered to match OEM specifications for Chevrolet, Cadillac, GMC, Saturn, and Buick models. Perfect for replacing worn or faulty sensors (compatible with part numbers 25961317, 15239247, 25961321, 21995586, and 25962147), these sensors feature advanced ultrasonic technology to detect obstacles accurately, ensuring safer parking in tight spaces. The integrated O-ring creates a secure, weather-resistant seal, protecting against moisture and debris for reliable performance. Installation is hassle-free with a plug-and-play design, eliminating the need for professional assistance. Ideal for restoring your vehicle's parking assist functionality without breaking the bank, these sensors deliver OEM-level precision at a fraction of the cost. Trustworthy, durable, and easy to install—the perfect solution for maintaining parking safety and convenience.