The STANDARD IGNITION S2391 SI Back Up Light Socket is engineered to provide a reliable connection for back up light systems in commercial vehicles Designed to meet or exceed original equipment specifications this socket ensures optimal performance and longevity reducing the risk of electrical failures that can lead to costly downtime Its durable construction withstands the rigors of heavy duty applications offering a dependable solution for fleet operators seeking to maintain vehicle safety and compliance By choosing the S2391 SI fleet managers can enhance operational efficiency and minimize maintenance expenses associated with lighting system repairs