This RHF55 turbocharger 898070-1432 is a direct-fit replacement designed for Isuzu commercial trucks powered by the 4HK1 diesel engine. Manufactured to OEM standards, it ensures stable boost pressure, efficient airflow, and dependable performance under continuous heavy-load operation.
Precision-balanced components provide smooth operation and reduced turbo lag, while the rugged housing and heat-resistant materials support long service life. Installing this RHF55 turbocharger helps restore lost engine power, improve throttle response, and maintain optimal fuel efficiency in demanding driving conditions.
Key Features & Benefits
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Direct-fit RHF55 turbocharger replacement
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Replaces OEM part number 898070-1432
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Designed for Isuzu 4HK1 diesel engines
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Restores factory boost and engine performance
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Precision-balanced for smooth, reliable operation
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Heavy-duty, heat-resistant construction
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Improves throttle response and fuel efficiency
Engine Compatibility
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Isuzu 4HK1 Diesel Engine
Vehicle Applications
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Isuzu FRR
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Isuzu FRR-R
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Isuzu FSR
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Isuzu FSR-R
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Isuzu FSS
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Isuzu FTR
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Isuzu LR
Frequently Asked Questions
Q1: Which engine is this turbocharger compatible with?
A: This turbocharger is designed for Isuzu 4HK1 diesel engines.
Q2: What truck models does this turbo fit?
A: It fits Isuzu FRR, FRR-R, FSR, FSR-R, FSS, FTR, and LR trucks.
Q3: What OEM part number does this replace?
A: It replaces turbocharger part number 898070-1432.
Q4: What are common symptoms of a failing turbocharger?
A: Loss of 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.




