This RHF55V turbocharger 8-98326397-0 is a direct-fit replacement designed for Isuzu commercial trucks equipped with the 4HK1 diesel engine. Manufactured to OEM specifications, it provides stable boost pressure, efficient airflow, and dependable performance under continuous heavy-duty operating conditions.
Precision-balanced internal components ensure smooth operation and reduced turbo lag, while the durable housing and heat-resistant materials support long service life. Replacing a worn or damaged turbocharger with this RHF55V unit helps restore engine power, improve throttle response, and maintain optimal fuel efficiency.
Key Features & Benefits
-
Direct-fit RHF55V turbocharger replacement
-
Replaces OEM part number 8-98326397-0
-
Designed for Isuzu 4HK1 diesel engines
-
Restores factory boost and engine performance
-
Precision-balanced for smooth, reliable operation
-
Heavy-duty, heat-resistant construction
-
Ideal for commercial truck applications
Engine Compatibility
-
Isuzu 4HK1 Diesel Engine
Vehicle Applications
-
Isuzu NQR
-
Isuzu NPR
-
Isuzu NRR
-
Isuzu 700P
Frequently Asked Questions
Q1: Which engine is this turbocharger compatible with?
A: This turbocharger is designed for Isuzu 4HK1 diesel engines.
Q2: What trucks does this turbo fit?
A: It fits Isuzu NQR, NPR, NRR, and 700P truck models.
Q3: What OEM part number does this replace?
A: It replaces turbocharger part number 8-98326397-0.
Q4: What are common signs of turbocharger failure?
A: Reduced power, excessive exhaust smoke, turbo lag, or poor fuel economy.
Q5: Is professional installation recommended?
A: Yes, professional installation is recommended for proper fitment and durability.




