Cummins ISB 5.9L Turbo Assembly OEM 4089946RX | Diesel Engine Turbocharger 2003–2007

Premium Diesel Turbocharger for 2003–2007 Engines

The Cummins ISB 5.9L Turbo Assembly OEM 4089946RX is engineered for 2003–2007 Cummins ISB 5.9L diesel engines, delivering consistent boost pressure, optimized airflow, and superior combustion efficiency. This 4089946RX turbocharger is an ideal solution for restoring lost power and improving overall engine performance in heavy-duty trucks and industrial equipment.

Built to strict OEM standards, the OEM 4089946RX turbo assembly ensures durability, reliability, and long-lasting performance even in demanding environments. It enhances throttle response, increases torque, and improves fuel efficiency for both on-highway and off-highway applications.

Designed with high-quality, heat-resistant materials, the ISB 5.9L turbo assembly offers exceptional resistance to wear and thermal stress. Its direct-fit configuration ensures quick installation, minimizing downtime and maximizing productivity.

Key Features & Benefits

• OEM remanufactured 4089946RX turbo assembly
• Designed for Cummins ISB 5.9L diesel engines (2003–2007)
• Delivers consistent and efficient turbo boost
• Improves horsepower, torque, and fuel economy
• Heavy-duty, heat-resistant construction for durability
• Enhances airflow and combustion efficiency
• Direct bolt-on replacement for easy installation
• Ideal for commercial trucks and industrial applications

Engine Compatibility

• Cummins ISB 5.9L Diesel Engine (2003–2007)

Vehicle Applications

• Heavy-duty trucks and commercial vehicles
• Industrial machinery and diesel equipment
• Construction and off-highway vehicles
• Fleet and logistics vehicles

Additional Information

• Part Number: 4089946RX
• Engine Type: Diesel
• Component Type: Turbocharger Assembly
• Condition: OEM / Remanufactured
• Application Type: On-Highway / Off-Highway / Industrial

Frequently Asked Questions

1. What is OEM 4089946RX?

OEM 4089946RX is a turbocharger assembly designed for Cummins ISB 5.9L diesel engines (2003–2007), providing reliable boost and performance.

2. Is this turbo a direct replacement?

Yes, it is manufactured to OEM specifications and installs as a direct bolt-on replacement.

3. What are the benefits of this turbo?

It restores engine power, improves fuel efficiency, and ensures consistent turbo boost for optimal performance.

4. Which engines are compatible?

This turbo is compatible with Cummins ISB 5.9L diesel engines from 2003 to 2007.

5. Is this turbo durable for heavy-duty use?

Yes, it is built with high-quality materials to withstand extreme heat and demanding operating conditions.