High-Performance Turbo Electronic Actuator for ULTRA BUS BS-6 Ensure your fleet maintains peak efficiency with the Genuine Turbo Electronic Actuator designed specifically for the ULTRA BUS BS-6 series. This precision-engineered component is the heartbeat of your vehicle's boost management system, ensuring optimal air-to-fuel ratios and compliance with stringent BS-6 emission standards. Designed for seamless integration with part numbers 104539021624 and 570614510127 , this electronic actuator replaces sluggish mechanical wastegates with lightning-fast digital response times. By accurately controlling the turbocharger’s vane position, it maximizes torque at low RPMs and prevents over-boost at high speeds, protecting your engine from premature wear.