OTTO Excavator Parts Ex300 6Sd1T Exhaust Manifold 1141417850 114141-7850 1-14141785-0 For Isuzu Premium exhaust manifold (1141417850) for OTTO Ex300 & Isuzu 6Sd1T. High-heat-resistant cast iron, meets OEM specs, anti-thermal fatigue. Ample stock & fast dispatch—reliable for your client supply.