Cummins ISB 6.7L Turbo Assembly OEM 3798330RX | HE351VE / HE300VG VGT Turbo 2015–2018

Cummins ISB 6.7L Turbo Assembly OEM 3798330RX

The Cummins ISB 6.7L Turbo Assembly OEM 3798330RX is a high-quality variable geometry turbocharger (VGT) designed for 2015–2018 Cummins ISB 6.7 L diesel engines. This 3798330RX turbo assembly delivers precise airflow control, enhanced boost pressure, and improved overall engine efficiency.

Engineered to OEM standards, this turbocharger ensures durability and reliability under demanding conditions. It is widely used in on-highway trucks, commercial fleets, and industrial applications, making it a trusted solution for heavy-duty diesel performance.

Most units are remanufactured or OEM new, professionally rebuilt, balanced, and tested to meet or exceed factory specifications. Many versions include upgraded components and are backed by strong warranty coverage for long-term reliability.

The 3798330RX turbo typically features HE351VE or HE300VG VGT technology, which dynamically adjusts vane positions to reduce turbo lag, improve throttle response, and optimize fuel efficiency across varying engine speeds.

Designed as a direct-fit replacement, this turbo assembly allows quick installation and minimal downtime, restoring engine performance efficiently.

Key Features & Benefits

• OEM 3798330RX turbo assembly
• Fits Cummins ISB 6.7L (2015–2018)
• Advanced Variable Geometry Turbo (VGT) technology
• Improves horsepower, torque, and throttle response
• Reduces turbo lag for smoother acceleration
• Enhances fuel efficiency and combustion performance
• Built for heavy-duty durability and long service life
• Direct bolt-on replacement for easy installation
• Typically supplied without actuator (varies by configuration)

Engine Compatibility

• Cummins ISB 6.7L Diesel Engine (2015–2018)

Vehicle Applications

• Ram 2500 / 3500 6.7L Cummins (2015–2018)
• Medium-duty trucks and commercial fleets
• Freight and logistics vehicles
• Construction and industrial equipment

Additional Information

• Part Number: 3798330RX
• Turbo Models: HE351VE / HE300VG
• Condition: OEM / Remanufactured
• Actuator: Usually not included (check configuration)
• Cross Reference: 4352473, 4352474, 5328156, 5328157, 3798381
• Warranty: Typically 1 year or up to 1 million miles (varies)
• Application Type: On-Highway / Industrial

Frequently Asked Questions

1. What is the 3798330RX turbo?

The 3798330RX is an OEM VGT turbocharger designed for Cummins ISB 6.7L engines (2015–2018), offering improved airflow and boost control.

2. Does this turbo include an actuator?

Most versions are sold without an actuator, so you may need to reuse or purchase one separately.

3. Is this a direct-fit replacement?

Yes, it is designed as a direct bolt-on replacement for compatible Cummins engines.

4. What turbo model is used?

This turbo is typically based on HE351VE or HE300VG VGT technology.

5. What are common signs of turbo failure?

Common signs include loss of power, excessive smoke, whining noises, and reduced fuel efficiency.