Cummins QSB 4.5L Turbo Assembly 2018-2024: OEM 5353078RX

Trusted Turbo Solution for Cummins QSB 4.5L Engines

What Is It?

The Cummins QSB 4.5L Turbo Assembly (OEM 5353078RX) is a direct-fit turbo unit engineered specifically for QSB 4.5L diesel engines manufactured between 2018 and 2024. This genuine OEM part is designed to maintain engine airflow control, ensuring reliable exhaust management and combustion efficiency without modifying the original system.

Why Choose OEM 5353078RX?

Choosing the OEM 5353078RX means you're relying on the same level of precision and dependability Cummins built into the original engine. This turbocharger is manufactured to meet Cummins’ specifications, ensuring compatibility with factory electronics, hardware, and emissions systems. It’s a dependable replacement that minimizes installation time and long-term risk.

Key Benefits

✅ Exact Fit: Built for 2018–2024 Cummins QSB 4.5L diesel engines
✅ High-Grade Components: Made with durable materials to resist high heat and pressure
✅ OEM-Calibrated Flow: Maintains proper boost levels and supports clean combustion
✅ Seamless Installation: Interfaces directly with factory manifolds and sensors
✅ Tested for Reliability: Validated by Cummins to meet OE durability and function standards

Applications

This turbo assembly is compatible with Cummins QSB 4.5L engines across a wide range of equipment—commonly used in off-road machinery, agriculture, and construction vehicles from 2018 to 2024. It’s built to support the airflow and emissions control requirements of these heavy-duty applications without compromise.

Installation Notes

Installation should be conducted by technicians experienced with diesel engine systems. The OEM 5353078RX is a direct-fit unit and requires no additional modifications. It is essential to inspect all related components such as oil feed lines, gaskets, and the intercooler system to ensure a leak-free and efficient install. Always follow Cummins' recommended torque specs and procedures.

Final Thoughts

The OEM 5353078RX Turbo Assembly offers a reliable, factory-grade solution for maintaining airflow control in your Cummins QSB 4.5L engine. Whether you're managing a fleet or servicing a single unit, this turbo ensures a consistent and trusted option that keeps your equipment operating as intended.