3784299 | Turbocharger VGT Actuator | For Cummins® Engines

Product Overview The Cummins 3784299 Turbocharger Electronic Actuator is designed to provide precise control of the variable geometry turbocharger (VGT), ensuring optimal boost pressure, engine performance, fuel efficiency, and emissions compliance. This actuator plays a critical role in regulating turbocharger vane position, allowing the engine to deliver maximum power while maintaining proper exhaust aftertreatment operation. Built to meet or exceed OEM performance standards, this unit is a dependable replacement for worn or failed turbo actuators that can cause loss of power, fault codes, turbocharger performance issues, or engine derates. Key Features OEM Quality: Manufactured to meet or exceed original equipment specifications for proper fit, function, and reliability. Durability: Constructed from high-quality components designed to withstand harsh operating conditions and extended service intervals. Performance: Accurately controls turbocharger vane position to optimize boost pressure, throttle response, fuel economy, and emissions performance. Direct Replacement: Plug-and-play design for straightforward installation on compatible applications. Common Symptoms of a Failed Turbo Actuator Engine derate or reduced power Turbocharger fault codes Check engine light illumination Poor acceleration or throttle response Improper boost pressure Excessive exhaust temperatures Turbocharger vane control faults Compatible With (Some Models Include) Select Cummins ISX engines Select Cummins QSX engines Additional Cummins applications using turbo actuator part number 3784299 Note: This is not a complete list. This part may fit additional models and engine configurations. Always verify compatibility using your engine serial number (ESN) or existing part number before ordering.