858864-5004S 144118020R-D Turbocharger Actuator K6T56471 for Nissan for Navara 2.3L. Quality: The turbocharger actuator is made of metal and ABS plastic, making it impact-resistant, stable, and durable. Function: The turbocharger actuator dynamically adjusts the turbocharger's operating status, precisely controlling intake pressure and flow, thereby optimizing engine performance and protecting the turbocharging system. It increases engine power and improves fuel economy. This allows for more efficient fuel combustion, thus improving fuel efficiency. This product is designed to standard specifications and can directly replace old or damaged parts without any modification or adjustment.