Cummins ISB 6.7L Turbo Actuator OEM 5603777RX
The Cummins ISB 6.7L Turbo Actuator OEM 5603777RX is engineered for 2013–2018 Cummins ISB 6.7L diesel engines, providing precise control of the turbocharger system. This 5603777RX turbo actuator ensures accurate boost pressure, optimized airflow, and improved combustion efficiency for maximum engine performance.
Built to OEM specifications, the OEM 5603777RX actuator delivers consistent and reliable operation under demanding conditions. It enhances throttle response, improves fuel efficiency, and helps maintain proper turbo function in heavy-duty trucks and industrial diesel applications.
Manufactured with durable, heat-resistant components, the ISB 6.7L turbo actuator is designed to withstand extreme temperatures and heavy workloads. Its direct-fit design ensures easy installation, minimizing downtime and restoring full turbocharger functionality quickly.
Key Features & Benefits
- OEM remanufactured 5603777RX turbo actuator
- Designed for Cummins ISB 6.7L diesel engines (2013–2018)
- Provides precise turbocharger control and boost regulation
- Improves engine performance and fuel efficiency
- Durable, heat-resistant construction for long service life
- Restores proper turbo function and responsiveness
- Direct bolt-on replacement for easy installation
- Ideal for trucks, fleets, and heavy-duty diesel applications
Engine Compatibility
- Cummins ISB 6.7L Diesel Engine (2013–2018)
Vehicle Applications
- Heavy-duty trucks and commercial vehicles
- Fleet and logistics vehicles
- Construction and off-highway equipment
- Industrial diesel machinery
Additional Information
- Part Number: 5603777RX
- Engine Type: Diesel
- Component Type: Turbocharger Actuator
- Condition: OEM / Remanufactured
- Application Type: On-Highway / Off-Highway / Industrial




