Part No: 898027-7721 / 8-98027-772-1
This is a genuine IHI RHF55V Variable Geometry Turbocharger designed for heavy-duty commercial diesel applications. The unit is engineered to deliver reliable boost pressure, improved fuel efficiency, and strong low-RPM torque, making it ideal for truck engines operating under high load conditions.
Manufactured by IHI Turbo Japan, this turbocharger is an OEM replacement unit commonly used on Isuzu medium-duty trucks equipped with the 5.2L 4HK1 diesel engine.
It features Variable Geometry System (VGS) technology with an electronic actuator to precisely control boost pressure and reduce turbo lag.
⚙️ Specifications
Turbo Model: RHF55V (VIET Spec)
Manufacturer: IHI Turbo Japan
Turbo Type: Variable Geometry Turbo (VGT / VGS)
Voltage: 24V actuator
Condition: Used / Imported / Tested
🚚 Compatibility
Designed for vehicles equipped with Isuzu 4HK1 5.2L diesel engine
Isuzu NPR
Isuzu NQR
Isuzu NRR
Isuzu 700P
GMC W4500
GMC W5500
Typically fits model years around 2005–2012 depending on configuration.
⭐ Key Features
✅ Genuine IHI OEM turbo
✅ Variable geometry technology for better performance
✅ Improved fuel efficiency and power delivery
✅ Heavy-duty commercial application
✅ Direct replacement fit