Product Information
| Item | Specification |
|---|---|
| Engine Model | Isuzu 4JJ1 |
| Engine Type | Inline 4-Cylinder Diesel Engine |
| Displacement | 3.0L (2999cc) |
| Fuel System | High Pressure Common Rail Direct Injection |
| Turbocharger | VGS Turbocharger + Intercooler |
| Cylinder Arrangement | Vertical Inline 4 Cylinder |
| Valve System | OHC / 16 Valve |
| Bore × Stroke | 95.4 mm × 104.9 mm |
| Compression Ratio | Approx. 17.5:1 |
| Cooling System | Water Cooled |
| Fuel Type | Diesel |
| Production Start | 2004 |
| Application | Pickup, SUV and Commercial Vehicles |
Performance Specification
| Version | Power | Torque |
|---|---|---|
| 4JJ1-T | Approx. 130 HP | Approx. 300 Nm |
| 4JJ1-TC | Approx. 146 HP | Approx. 294 Nm |
| 4JJ1-TCX | Approx. 163-177 HP | Approx. 360-380 Nm |
| 4JJ1-TC HI | High Output Version | Up to 430 Nm |
Main Features
1. Advanced Common Rail Injection System
The 4JJ1 uses electronic high-pressure common rail fuel injection, providing:
- Better fuel atomization
- Improved combustion efficiency
- Lower emissions
- Stable engine performance
2. Strong Turbocharged Performance
Equipped with VGS turbocharger and intercooler technology:
- Higher torque output
- Better acceleration
- Improved heavy-load capability
3. Durable Engine Structure
Designed for commercial operation:
- Strong cast iron cylinder block
- Heavy-duty crankshaft system
- Long service life
- Suitable for harsh environments
4. Excellent Fuel Economy
Compared with older mechanical diesel engines:
- More precise injection control
- Lower fuel consumption
- Better emission performance
Applications
Vehicle Applications:
- Isuzu D-Max Pickup
- Isuzu MU-X SUV
- Isuzu NPR Series
- Isuzu N-Series Trucks
- Isuzu ELF Commercial Vehicles
Available Products
Engippower can supply:
✅ Isuzu 4JJ1 Complete Engine
✅ Isuzu 4JJ1 Long Block Engine
✅ Isuzu 4JJ1 Short Block
✅ Cylinder Head Assembly
✅ Cylinder Block Assembly
✅ Crankshaft Assembly
✅ Turbocharger Assembly
✅ Common Rail Fuel System Parts
Common Engine Versions
| Model | Description |
|---|---|
| 4JJ1-T | Turbo Diesel Version |
| 4JJ1-TC | Turbo Common Rail Version |
| 4JJ1-TCX | High Output Version with VGS Turbo |
| 4JJ1-TCS | Commercial Truck Version |
| 4JJ1-X | Industrial Engine Version |
Why Choose Engippower
Professional Engine Export Supplier
- Japanese diesel engine specialist
- Complete engines and long blocks available
- OEM replacement quality
- Bulk wholesale supply
- Global export experience
- Engine inspection before shipment


