This solenoid kit is designed for use with RE4R03A and RE4R01A automatic transmissions.It includes all necessary solenoids required for a complete valve body repair or replacement.The kit is compatible with transmission assemblies bearing part numbers 31940-41X09 and 3194041X13.It supports proper shift timing, pressure regulation, and torque converter lock-up functionality.The components are engineered to align with standard industry specifications for fit and electrical function in applicable vehicle models.