Steering Rack Tie Rod End - Track Rod End - Mitsubishi Legnum/Galant VR4 EC5W EC5A Whatever you call it , this screws onto the tie rod and is a common MOT Failure. Locking mechanism for MOT can be either a castle nut and split pin or nylock nut depending upon supplier. See HERE for exploded diagram Mitsubishi Part Number MB912519 MB192430 MB192499 MB489434 MB564991 MB573885 MB616286 MB166426 MB006314