Bring Back the Boost: Cummins ISC Turbo Assembly OEM 4955207RX (2005–2008)
What is it?
The Cummins ISC Turbo Assembly OEM 4955207RX is a remanufactured, OEM-grade turbocharger built to restore airflow, boost pressure, and overall performance in ISC 8.3L diesel engines. It ensures efficient combustion, reduces lag, and supports reliable engine output in demanding conditions.
Why choose OEM 4955207RX?
This turbo is remanufactured to Cummins’ exact standards, delivering the same fit, durability, and performance as a brand-new unit. It’s a cost-effective solution for resolving common issues like power loss, excessive smoke, and poor fuel efficiency.
Key Benefits
✅ OEM-remanufactured for factory-quality performance
✅ Delivers consistent boost for improved engine response
✅ Reduces fuel waste and lowers exhaust emissions
✅ Built to withstand high heat and pressure cycles
✅ Perfect fit for easy installation—no modifications needed
Applications
The OEM 4955207RX Turbo Assembly fits Cummins ISC 8.3L engines from 2005 to 2008, commonly used in RVs, buses, vocational trucks, and medium-duty commercial vehicles that rely on dependable turbo performance for hauling, towing, and route work.
Installation Notes
Ensure the engine is cool and all mating surfaces are clean before removing the old turbo. Replace gaskets, inspect oil feed lines, and prime the new unit with clean oil. Follow Cummins torque specs and monitor for leaks or pressure issues during initial startup.
Final Thoughts
If your Cummins ISC is struggling with sluggish power or rising exhaust temps, it may be time for a turbo refresh. The OEM 4955207RX turbo from Tamerx offers the performance and reliability your engine needs to get back to peak condition—ready to deliver mile after mile.