DPGKITS 1 Set Transmission Shift Solenoid Kit For Optima Soul Endeavor F4A41 F4A42 Car Accessories This transmission shift solenoid kit is designed for use with specific vehicle models including the Optima, Soul, and Endeavor.It features part numbers F4A41 and F4A42, and serves as a direct-fit replacement to help restore proper transmission shifting function.The set includes all necessary solenoids used in the valve body assembly, supporting response from the engine control unit.Each component is built to meet specifications for durability and performance.This accessory supports smooth gear transitions and helps maintain transmission when installed correctly.