This set includes four Mitsubishi CONT units designed for blind spot monitoring systems. Each unit is crucial for enhancing vehicle safety by detecting vehicles in adjacent lanes, effectively minimizing the risk of accidents during lane changes. These components are built to be compatible with various Mitsubishi models, ensuring seamless integration into the vehicle's existing systems. The part number 8638A289 ensures that buyers receive the correct replacement units, which feature durable materials ensuring long-term reliability and performance.