RHF55V Turbocharger 8981479061 for Isuzu 4HK1-TCN / 4HK1-TCS (NPR-HD NQR NRR)

The RHF55V Turbocharger 8981479061 is a factory-spec forced induction unit engineered for medium-duty Isuzu trucks equipped with 4HK1-TCN and 4HK1-TCS diesel engines. This turbocharger delivers consistent boost pressure and optimized airflow to the combustion chamber, enhancing torque, acceleration, and overall engine efficiency.

Precision manufactured to OEM standards, this RHF55V turbocharger features a balanced turbine and compressor, rugged housing, and a responsive actuator that maintains proper vane control under varying operating conditions. The result is improved drivability, better engine response, and reduced exhaust emissions under load.

This turbocharger fits popular Isuzu models such as NPR-HD, NQR, and NRR trucks where reliable boost performance is essential for towing, hauling, and commercial duty applications. A worn or failing turbocharger can cause loss of power, excessive smoke, engine derate conditions, and poor fuel economy. Replacing the worn unit with this RHF55V turbocharger 8981479061 restores optimal performance, protects the engine, and supports long work cycles.

Ideal for repair shops, fleet maintenance, and preventive rebuilds, this turbocharger is a direct bolt-on replacement and mounts with standard exhaust and intake connections.

✔ PRODUCT FEATURES & COMPONENTS

• OEM-quality RHF55V turbocharger assembly

• Part number 8981479061

• Precision-balanced compressor and turbine wheels

• Integrated actuator and vane control system

• Rugged high-temp turbine housing

• Designed for heavy-duty diesel use

• Direct bolt-on replacement

• Improves boost pressure and engine performance

✅ ENGINE COMPATIBILITY

• Isuzu 4HK1-TCN diesel engine

• Isuzu 4HK1-TCS diesel engine

✅ VEHICLE APPLICATIONS

• Isuzu NPR-HD trucks

• Isuzu NQR trucks

• Isuzu NRR trucks

• Medium-duty delivery and vocational vehicles

(Always verify engine and model before ordering.)

✅ KEY FEATURES & BENEFITS

• Restores turbo boost levels

• Improves torque and power delivery

• Enhances engine responsiveness

• Reduces exhaust smoke and high temperatures

• OEM-caliber durability for commercial duty

• Supports efficient combustion and fuel economy

• Designed for extended heavy use