🔧 New Genuine IHI Turbocharger for Isuzu 4JJ3
📝 Description:
Get your Isuzu 4JJ3 engine performing like new with this standard replacement turbocharger from IHI – the original equipment manufacturer.
4JJ3 factory turbos are a greatly improved unit over the earlier 4JJ1 models so they are also a popular upgrade for 4JJ1 engines – offering better boost control, improved reliability, and increased efficiency. Ideal for those looking to refresh or lightly enhance their setup for work, towing, or touring.
✨ Features:
✅ Genuine IHI brand – trusted OE quality
🔩 Direct bolt-on replacement for 4JJ3 engines
🛠️ Upgrade option for 4JJ1 engines (see fitment notes below)
⚙️ Maintains standard boost and performance (on 4JJ3)
🛡️ Built for durability and reliability
🚗 Vehicle Compatibility:
Isuzu D-MAX (2021+)
Isuzu MU-X (2021+)
Upgrade for: Isuzu D-MAX / MU-X with 4JJ1 engine (2007–2020)
📐 Specs:
- Turbo Model: IHI (OEM Replacement)
- Engine Code: 4JJ3
- Application: Standard replacement / mild performance upgrade
- Actuator: Electronic (pre-calibrated)
- Wastegate: Integrated
- Boost Control: Factory spec
⚠️ Fitment Notes for 4JJ1 Upgrade:
This turbo can be fitted to 4JJ1 engines as an upgrade
- You’ll need custom piping and a conversion bracket to adapt the 4JJ1’s vacuum wastegate actuator to the IHI electronic actuator housing
- Will require tuning
📦 Includes:
Complete turbocharger assembly
Pre-installed electronic actuator
Gasket set not included (available separately)
#️⃣ Reference Part numbers:
-Isuzu 8984808191
-RHS4V-VIKZ










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