Description
Isuzu 2.5L 4JA1 Diesel Engine
Used 2.5-litre 4-cylinder diesel engine suitable for compatible Isuzu applications, including the Isuzu KB250, fitted with the 4JA1 engine. The 4JA1 has a displacement of 2,499 cc, with a 93 mm bore and 92 mm stroke. Turbocharged variants include the 4JA1-L/4JA1-T family.
Engine Specifications
| Specification | Details |
|---|---|
| Make | Isuzu |
| Engine | 4JA1 |
| Engine Capacity | 2,499 cc / 2.5L |
| Configuration | 4-Cylinder Inline |
| Fuel Type | Diesel |
| Combustion System | Direct Injection |
| Valve Configuration | OHV |
| Bore × Stroke | 93 mm × 92 mm |
| Induction | Naturally Aspirated / Turbo, depending on variant |
| Injection System | Mechanical / VE-type injection on applicable variants |
| Part | Engine / Motor |
| Condition | Used |
Common Applications
- Isuzu KB250 2.5 Diesel
- Isuzu KB250 2.5TD
- Isuzu D-Max 2.5 Diesel, applicable variants
- Isuzu NHR / NKR light commercial vehicles
- Other compatible Isuzu applications using the 4JA1 engine
Important Compatibility Note
4JA1 is the engine code. There are different 4JA1 variants, including naturally aspirated and turbocharged versions, so please confirm the exact engine variant, turbo configuration, injection system, mounting points and ancillary components before purchase or installation. Isuzu 2.5L 4JA1 Diesel Engine For Sale





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