The RHF5 Turbocharger (OEM 8971397243) is a premium-quality turbo unit built for Isuzu 4JB1T and 4JG2TC diesel engines. It enhances engine power and fuel efficiency by increasing the air intake pressure, resulting in improved combustion and lower emissions.
Manufactured to meet or exceed OEM standards, this turbocharger ensures smooth acceleration, consistent boost pressure, and excellent durability under demanding operating conditions. Perfect for Isuzu trucks, pickups, and industrial applications requiring high torque and reliable performance.
This unit offers direct bolt-on replacement with precision-balanced components for minimal vibration and optimal turbo response.
⚙️ Key Features:
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OEM Part Number: 8971397243
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Turbo Model: RHF5
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Compatible Engines: Isuzu 4JB1T, 4JG2TC
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Improves engine efficiency and power output
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Boosts torque for better acceleration
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Ensures clean combustion and reduced emissions
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Precision-balanced turbine and compressor wheels
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Built with high-temperature-resistant materials
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Direct fit replacement — no modifications required
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Meets or exceeds OEM specifications
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Ideal for trucks, SUVs, and industrial engines
🚚 Compatible Applications:
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Engine Models: Isuzu 4JB1T, 4JG2TC
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Vehicle Models:
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Isuzu NKR, NHR, NPR
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Isuzu ELF, Bighorn / Trooper
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Isuzu Mu / Rodeo, Frontera
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Construction and industrial equipment using 4JB1T or 4JG2TC engines
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OEM Reference: 8971397243
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Fitment Type: Direct OEM replacement
Frequently Asked Questions (FAQ)
Which engines are compatible with this turbocharger?
This turbocharger fits Isuzu 4JB1T and 4JG2TC diesel engines.
What is the OEM part number?
The OEM part number for this RHF5 Turbocharger is 8971397243.
Is this a direct replacement for the original turbo?
Yes, it’s a direct bolt-on replacement that fits OEM specifications without modification.
Does this turbocharger improve performance?
Yes, it increases boost pressure, improves power output, and enhances fuel efficiency.
Can this turbo be used on Isuzu industrial engines?
Absolutely, it’s suitable for both automotive and industrial Isuzu 4JB1T / 4JG2TC engine applications.
Turbocharger RHF5 | Isuzu 4JB1T / 4JG2TC Engine | 8971397243
OE Replacement: 8971397243, 1118010-1044, 11180101044
Fits Following: Applications:
1998- Isuzu Trooper Opel/Vauxhall 4JB1T Engine
Turbo Model: RHF4-44001P8.5NHBRL343CBZ
Engine Manufacturer: Isuzu
Displacement: 2.8L TD, 2800 ccm, 4 Cylinders
Power: 100 HP
Engine Model: 4JB1T, 4JG2TC
Year: Provide vin# or serial number for Year Information




