Isuzu 4JJ1 Engine Assembly - New Genuine
Isuzu
Isuzu 4JJ1 Engine Assembly
New Genuine
- Supplied as
- Diesel Engine Assembly
- Arrangement / engine number
- Confirm against engine plate
- Displacement
- 2.999 L
- Cylinder arrangement
- 4 in line
Manufacturer reference data; the supplied build must be confirmed.
Confirm the full engine suffix, arrangement and machine serial number for an exact match.
With your order
- 1-year standard brand warranty Included
- Technical review & engine matchingIncluded at no extra cost. We compare the proposed engine with your current assembly using its data plate, arrangement and configuration to confirm the exact match before ordering. Included
- Complete engine testing video On request
- Custom packaging and pallet labeling On request
- Custom testing requirements On request
More service options
Pre-dispatch inspection welcomeOptional paid
Radiator, compressor, injector and configuration add-onsBy quote
Any extra cost and preparation time are agreed before proceeding.
Explore engine servicesFreight is charged per engine and shown at checkout.
- No core deposit or return
- International shipping on all engines
Product details
Engine overview
This Isuzu 4JJ1 listing offers a new engine assembly.
The Isuzu 4JJ1 family uses a compact 2.999-litre four-cylinder layout. Industrial 4JJ1X versions use an overhead camshaft and turbocharged, charge-air-cooled induction; the engine suffix determines the actual rating, controls and emissions equipment.
Configuration & included components
- Condition: New.
- Assembly scope: Engine assembly.
- Confirm the included components and installation arrangement with NY Engines before ordering.
Warranty & delivery
- 1-year standard brand warranty
- There is no core deposit and no requirement to return your old engine.
- International DDP: Available for all engines, with estimated delivery in 2–3 weeks. Duties, tariffs, import taxes and customs fees are included.
- Freight is charged per engine and shown at checkout.
Technical specifications
The figures below are manufacturer reference data for the versions identified. Final output, dimensions, controls and emissions equipment depend on the engine build and application.
| Specification | Details |
|---|---|
| Engine family | Isuzu 4JJ1 |
| Cylinder arrangement | 4 in line |
| Displacement | 2.999 L |
| Valvetrain — 4JJ1X reference | Overhead camshaft (OHC) |
| Injection | Direct injection; high-pressure common rail is documented for the 4JJ1 family |
| Aspiration — 4JJ1X reference | Turbocharged and charge-air cooled |
| Industrial reference rating | 95 kW at 2,200 rpm for the documented Stage IIIB/Tier 4 Interim 4JJ1X; supplied 4JJ1 rating requires its full suffix. |
| Reference emissions configuration | Stage IIIB/Tier 4 Interim on the cited 4JJ1X only; verify the supplied engine label and equipment. |
| Industrial 4JJ1X reference dry weight | 342 kg; reference engine only, excluding shipment packaging. |
Technical details
- The 4JJ1X industrial platform uses a vertical inline arrangement with OHC valve operation.
- The documented 4JJ1 fuel system uses high-pressure common-rail direct injection. Match the ECU, harness and injectors to the installed version.
Applications & fitment
Confirm your engine match
- Send the full engine model/suffix, engine serial number, machine model and photos of the ECU and data plate.
- Verify flywheel housing, sump clearance, engine mounts, charge-air pipe routing and hydraulic drive.
- Confirm the ECU calibration and required emissions components. A family name alone does not establish interchangeability.
For fitment checks, availability or a quote, email info@nyengines.com with your engine data-plate photo, machine details and required assembly scope.
Buyer guide
- Isuzu publishes both vehicle and industrial versions of the 4JJ1 family. Use the industrial engine suffix and its own performance data when matching hydraulic equipment; a vehicle specification is not a replacement rating.
- The 4JJ1X industrial reference uses charge-air cooling. The replacement assessment should include the existing intercooler and inlet routing as well as the engine itself.
Buying questions
Is the 4JJ1 family name enough to select the correct engine?
No. The documented industrial model is 4JJ1X, while Isuzu also lists vehicle 4JJ1 specifications. Provide the full suffix and the original control-system details to identify the correct arrangement.
Is the quoted engine weight a freight weight?
No. Isuzu lists 342 kg dry for its reference 4JJ1X. Accessories, fluids and packaging change shipment weight, and this figure does not identify the supplied assembly.