Ultima | Front Left Shock Strut HD Gas | Mitsubishi L300 Express Starwagon 1983–2001 | 400350LUltima Front Left Heavy Duty Gas Shock Strut (Single) for Mitsubishi L300 Express Starwagon 19832001 This Ultima Front Left Heavy Duty Shock Strut Assembly (400350L) is a robust, gas charged component from the 400 Series, custom engineered for the demanding front suspension of the Mitsubishi L300, Express, and Starwagon 4WD models (19832001). As a Heavy Duty strut, it is built to manage the high front axle loads and commercial usage of the vehicle,