The 4r100 Transmission offers an OEM-fit replacement solution designed to restore proper shifting and drivetrain efficiency. Built to factory specifications, it installs seamlessly without the need for modifications. Replacement units are inspected for torque converter performance, clutch integrity, and hydraulic functionality to ensure smooth operation. Its proven 4-speed design supports heavy loads while maintaining dependable everyday drivability. Ideal for commercial use or personal trucks, this transmission helps extend vehicle life and restore factory performance.