1set Transmission Shift Solenoid Kit F4A41 F4A42 For Optima Soul Endeavor Chassis Transmission Solenoid Accessories This transmission shift solenoid kit is designed for compatibility with F4A41 and F4A42 transmissions, making it suitable for use in models such as Optima, Soul, and Endeavor.The set includes all necessary components to replace worn or malfunctioning solenoids, helping restore proper transmission function.Constructed using OEM-grade materials, the kit supports performance and long-term durability under regular driving conditions.It is engineered to enable smooth and consistent gear shifting, contributing to stable transmission.Installation is straightforward with clear instructions provided, allowing for a simplified setup process.The design a precise fit without the need for modifications, making it accessible for both professional mechanics and DIY users.This solenoid kit serves as a functional upgrade for maintaining transmission efficiency and responsiveness in compatible vehicles.