The Cummins ISX12 Turbo Assembly OEM 5458261RX is a high-performance turbocharger engineered for 2014–2017 Cummins ISX12 and QSX engines. Designed to meet strict OEM standards, this turbo assembly ensures precise fitment, optimal airflow, and reliable performance in heavy-duty commercial applications.
The Cummins ISX12 turbo assembly improves engine efficiency by compressing air and delivering it to the combustion chamber, resulting in increased horsepower, higher torque, improved fuel economy, and reduced emissions. Constructed from premium materials, the OEM 5458261RX turbo is built to withstand high temperatures, heavy-duty usage, and extreme operating conditions.
One of the key advantages of the Cummins ISX12 turbo assembly is its precision-balanced rotating components that provide consistent boost pressure while minimizing turbo lag. This ensures smooth engine operation, responsive acceleration, and reliable performance under all driving conditions.
Durability is another standout feature of the Cummins ISX12 Turbo Assembly OEM 5458261RX, designed to resist wear, corrosion, and thermal stress. Fleet operators and heavy-duty vehicle owners can trust this turbo to deliver long service life and reduce costly downtime.
Installation is straightforward with the OEM 5458261RX turbo, as it is a direct-fit replacement requiring no modifications. Once installed, the Cummins ISX12 turbo assembly integrates seamlessly with the engine, ensuring proper airflow management and optimized performance.
By maintaining proper air-fuel ratios and efficient combustion, this turbo assembly enhances overall engine health, reduces maintenance costs, and extends engine life. For 2014–2017 Cummins ISX12 and QSX engines, the Cummins ISX12 Turbo Assembly OEM 5458261RX is the reliable solution for power, efficiency, and longevity.
Key Features & Benefits
- OEM Cummins ISX12 Turbo Assembly 5458261RX
- Compatible with 2014–2017 Cummins ISX12 and QSX engines
- Increases horsepower, torque, and fuel efficiency
- Reduces turbo lag for smoother throttle response
- Precision-balanced for consistent boost pressure
- Durable design for extreme operating conditions
- OEM direct-fit for quick and easy installation
- Improves emissions control and combustion efficiency
Engine Compatibility
- Cummins ISX12
- Cummins QSX
Vehicle Applications
- Freightliner Cascadia
- Kenworth T680, T880
- Peterbilt 567, 579
- International LT Series
- Heavy-duty commercial trucks and industrial vehicles




